/* === Offline Indicator === */
.offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #c33;
  color: #fff;
  text-align: center;
  padding: 4px 8px;
  font-size: 0.8rem;
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform 0.3s;
}

.offline-indicator.visible {
  transform: translateY(0);
}

/* === PWA Install Banner === */
.pwa-install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--panel-bg, #1e1e3a);
  border-top: 1px solid var(--accent, #4ecdc4);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.4);
}
.pwa-install-banner.hidden {
  display: none;
}
.pwa-install-text {
  flex: 1;
  font-size: 0.85rem;
  color: var(--text-color, #e0e0e0);
}
.pwa-install-dismiss {
  background: none;
  border: none;
  color: var(--text-muted, #888);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  min-width: unset;
  min-height: unset;
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Suppress tap highlight on interactive elements */
a, button, .square, .piece, .move-cell, .bot-list-card,
.db-game-item, .explorer-move, .promotion-piece {
  -webkit-tap-highlight-color: transparent;
}

:root {
  --light-square: #f0d9b5;
  --dark-square: #b58863;
  --highlight-move: rgba(255, 255, 0, 0.4);
  --highlight-legal: rgba(0, 0, 0, 0.1);
  --highlight-legal-capture: rgba(0, 0, 0, 0.1);
  --highlight-check: rgba(255, 0, 0, 0.5);
  --highlight-selected: rgba(20, 85, 180, 0.4);
  --highlight-light: #cdd26a;
  --highlight-dark: #aaa23a;
  --selected-light: #829ee0;
  --selected-dark: #6282c7;
  --bg-color: #312e2b;
  --panel-bg: #272522;
  --text-color: #bababa;
  --text-light: #fff;
  --accent: #81b64c;
  --accent-hover: #6fa33e;
  --border-color: #3d3a37;
  --btn-bg: #3d3a37;
  --btn-hover: #4d4a47;
  --board-size: min(80vw, 80vh, 560px);
  --square-size: calc(var(--board-size) / 8);
}

/* === Light Theme === */
[data-theme="light"] {
  --bg-color: #f5f5f0;
  --panel-bg: #ffffff;
  --text-color: #333333;
  --text-light: #111111;
  --accent: #5b8c3e;
  --accent-hover: #4a7a32;
  --border-color: #d0d0d0;
  --btn-bg: #e8e8e4;
  --btn-hover: #d8d8d4;
  --text-muted: #888;
  --text-secondary: #666;
  --bg-dark: #eaeae6;
  --bg-darker: #e0e0dc;
  --bg-lighter: #f0f0ec;
  color-scheme: light;
}
[data-theme="light"] .dialog-overlay {
  background: rgba(0,0,0,0.3);
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  overflow-x: hidden;
}

html {
  overscroll-behavior: none;
}

/* === Header === */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-logo {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 1px 3px rgba(201,168,76,0.35));
}

.header-titles {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.1;
}
header h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: linear-gradient(135deg, #e8d07e 0%, #c9a84c 40%, #a8842a 70%, #c9a84c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.4));
}
.header-slogan {
  font-size: 0.6rem;
  color: var(--accent, #c9a84c);
  font-style: italic;
  letter-spacing: 1.2px;
  opacity: 0.7;
  font-weight: 300;
  text-transform: lowercase;
}

nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  background: var(--btn-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn:hover {
  background: var(--btn-hover);
  color: var(--text-light);
}

.btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
}

.btn-accent {
  background: rgba(181,136,99,0.3);
  border-color: var(--accent, #b58863);
  color: #ffe0c0;
}
.btn-accent:hover {
  background: rgba(181,136,99,0.5);
}

/* === Dropdown === */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  z-index: 100;
  min-width: 140px;
}

.dropdown-content button {
  display: block;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  color: var(--text-color);
  text-align: left;
  cursor: pointer;
  font-size: 0.85rem;
}

.dropdown-content button:hover {
  background: var(--btn-hover);
  color: var(--text-light);
}

.dropdown:hover .dropdown-content,
.dropdown.open .dropdown-content {
  display: block;
}

/* === Main Layout === */
main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  padding: 16px;
  min-height: calc(100vh - 50px);
  min-height: calc(100dvh - 50px);
}

/* === Board Area === */
.board-area {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  align-self: flex-start;
  position: relative;
  width: calc(var(--board-size) + 38px); /* board + eval bar + coord margin */
}

#board-container {
  position: relative;
  width: calc(var(--board-size) + 22px);
  height: var(--board-size);
  touch-action: none;
  display: flex;
  margin-left: 16px;
}

/* Eval bar hidden: still occupies space but invisible */
.eval-bar.eval-hidden {
  visibility: hidden;
}

/* === Eval Bar === */
.eval-bar {
  width: 20px;
  height: 100%;
  background: #333;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  margin-right: 2px;
  border: 1px solid #1a1816;
}

.eval-bar-white {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: #eee;
  transition: height 0.5s ease;
}

.eval-bar-label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.55rem;
  font-weight: 700;
  color: #888;
  text-shadow: 0 0 3px rgba(0,0,0,0.8);
  white-space: nowrap;
  z-index: 1;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  display: none;
}

.board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: var(--board-size);
  height: var(--board-size);
  border: 2px solid #1a1816;
  border-radius: 2px;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  flex-shrink: 0;
  position: relative;
}

/* === Squares === */
.square {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.square.light {
  background: var(--light-square);
}

.square.dark {
  background: var(--dark-square);
}

.square.highlighted {
  background: var(--highlight-move);
}

.square.light.highlighted {
  background: var(--highlight-light);
}

.square.dark.highlighted {
  background: var(--highlight-dark);
}

.square.selected {
  background: var(--highlight-selected);
}

.square.light.selected {
  background: var(--selected-light);
}

.square.dark.selected {
  background: var(--selected-dark);
}

.square.check {
  background: radial-gradient(ellipse at center, rgba(255,0,0,0.8) 0%, rgba(255,0,0,0.4) 40%, rgba(255,0,0,0) 70%);
}

/* Pre-move highlight */
.square.premove {
  background: rgba(100, 140, 220, 0.55);
}
.square.light.premove {
  background: rgba(100, 150, 240, 0.5);
}
.square.dark.premove {
  background: rgba(80, 120, 200, 0.55);
}

/* Legal move dots */
.square .legal-dot {
  position: absolute;
  width: 26%;
  height: 26%;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.15);
  pointer-events: none;
}

.square .legal-capture {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 5px solid rgba(0, 0, 0, 0.15);
  pointer-events: none;
}

/* === Pieces === */
.piece {
  width: 85%;
  height: 85%;
  z-index: 2;
  cursor: grab;
  pointer-events: auto;
  transition: none;
}

.piece:active {
  cursor: grabbing;
}

.piece.dragging {
  position: fixed;
  width: calc(var(--square-size) * 1.1);
  height: calc(var(--square-size) * 1.1);
  z-index: 1000;
  pointer-events: none;
  filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.4));
}

/* === Coordinates === */
.coords {
  position: absolute;
  pointer-events: none;
}
.coords-files {
  bottom: -18px;
  left: 22px;
  right: 0;
  display: flex;
  justify-content: space-around;
}
.coords-ranks {
  top: 0;
  bottom: 0;
  left: -16px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}
.coord-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-color);
  text-align: center;
  width: var(--square-size);
  line-height: 16px;
  opacity: 0.7;
}
.coords-ranks .coord-label {
  width: 16px;
  height: var(--square-size);
  display: flex;
  align-items: center;
  justify-content: center;
}
.board.hide-coords ~ .coords {
  display: none;
}

/* === Player Info === */
.player-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: linear-gradient(135deg, rgba(40,38,35,0.95) 0%, rgba(30,28,26,0.95) 100%);
  border-radius: 5px;
  font-size: 0.9rem;
  height: auto;
  min-height: 36px;
  flex-shrink: 0;
  border-left: 3px solid transparent;
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.player-info.active-turn {
  border-left: 3px solid var(--accent, #c9a84c);
  background: linear-gradient(135deg, rgba(50,46,40,0.98) 0%, rgba(35,32,28,0.98) 100%);
  box-shadow: 0 0 8px rgba(201,168,76,0.15);
}
.player-info.active-turn .player-name {
  color: #fff;
}
.player-info.active-turn .player-name::before {
  content: '\25B8';
  margin-right: 5px;
  font-size: 0.7em;
  color: var(--accent, #c9a84c);
}

.player-info.engine-thinking {
  animation: pulse-thinking 1.5s infinite;
}

@keyframes pulse-thinking {
  0%, 100% { border-left-color: var(--accent, #c9a84c); }
  50% { border-left-color: transparent; }
}

.player-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 1;
  min-width: 0;
  cursor: pointer;
  transition: color 0.15s;
  letter-spacing: 0.3px;
}
.player-name:hover {
  color: var(--accent, #c9a84c);
}

.timer-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.move-clock {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  color: #888;
  min-width: 28px;
  text-align: right;
}

.move-clock.active {
  color: var(--accent);
  font-weight: 600;
}

.timer {
  font-family: 'Courier New', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  background: rgba(255,255,255,0.06);
  padding: 3px 10px;
  border-radius: 4px;
  min-width: 60px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
}

.timer.active {
  background: var(--accent, #c9a84c);
  color: #1a1816;
  border-color: var(--accent, #c9a84c);
}

.timer.low {
  background: #c33;
  color: #fff;
  border-color: #c33;
}

.turn-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 1.2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* === Side Panel === */
.side-panel {
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-x: hidden;
  overflow-y: auto;
  /* Match full board-area height (board + player bars + nav + music) */
  height: var(--panel-height, auto);
  min-height: 300px;
}
/* Active tab content — grows naturally, side panel scrolls as a whole */
.side-panel .panel-content:not(.hidden) {
  flex: 0 1 auto;
  min-height: 0;
  overflow-y: visible;
}

.status-bar {
  background: var(--panel-bg);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
  min-height: 40px;
  height: auto;
  box-sizing: border-box;
  justify-content: center;
  border-left: 3px solid transparent;
}

#game-status {
  color: var(--text-light);
  font-weight: 600;
}

#engine-status {
  color: var(--accent);
  font-size: 0.8rem;
}

.rated-badge {
  background: #e6912c;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

/* === Move History === */
.move-history-container {
  background: var(--panel-bg);
  border-radius: 4px;
  flex: 0 1 auto;
  height: 200px;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.move-history {
  flex: 1;
  overflow-y: auto;
  padding: 4px 6px;
  font-size: 0.82rem;
  font-family: 'Courier New', monospace;
}

.move-row {
  display: flex;
  align-items: center;
  padding: 2px 4px;
  border-radius: 3px;
  margin-bottom: 1px;
  transition: background 0.1s;
}

.move-row:nth-child(odd) {
  background: rgba(255,255,255,0.02);
}

.move-row:hover {
  background: rgba(255,255,255,0.06);
}

.move-number {
  color: rgba(255,255,255,0.35);
  min-width: 26px;
  text-align: right;
  margin-right: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.move-cell {
  flex: 1;
  padding: 3px 6px;
  cursor: pointer;
  border-radius: 3px;
  transition: background 0.1s, color 0.1s;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.move-cell:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.move-cell.active {
  background: var(--accent, #c9a84c);
  color: #1a1816;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* === Navigation Controls (under board) === */
.nav-controls {
  display: flex;
  gap: 4px;
  justify-content: center;
  box-sizing: border-box;
  height: 40px;
  align-items: center;
  background: var(--panel-bg);
  border-radius: 4px;
  padding: 0 4px;
}

.nav-controls .btn {
  flex: 1;
}
#btn-flip-shortcut {
  flex: 0 0 auto;
  padding: 4px 8px;
  font-size: 1rem;
  opacity: 0.7;
}
#btn-flip-shortcut:hover {
  opacity: 1;
}

/* === Game Controls (side panel) === */
.game-controls {
  display: flex;
  gap: 4px;
  justify-content: center;
  flex-shrink: 0;
}

.game-controls .btn {
  flex: 1;
}

/* === Opening Explorer (compact-by-default, expandable) === */
.opening-explorer {
  background: var(--panel-bg);
  border-radius: 4px;
  flex: 0 0 auto;
  align-self: center;
  width: 100%;
  max-width: calc(var(--board-size, 400px) + 22px);
  box-sizing: border-box;
}

/* Header bar — always visible */
.oe-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 8px;
  cursor: pointer;
  user-select: none;
}
.oe-header:hover { background: rgba(255,255,255,0.04); }
.oe-header-left {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  overflow: hidden;
}
.oe-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.oe-icon {
  font-size: 0.65rem;
  color: var(--accent);
  flex-shrink: 0;
}
.oe-title {
  font-size: 0.68rem;
  color: var(--text-light);
  font-weight: 600;
  flex-shrink: 0;
}
.oe-collapse-btn {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 0 2px;
  font-size: 0.6rem;
  line-height: 1;
}
.oe-chevron {
  display: inline-block;
  transition: transform 0.2s ease;
}

/* Collapsible body */
.oe-body {
  padding: 0 8px 3px;
}
.oe-body:empty,
.oe-moves-table:empty ~ .oe-context { display: none; }
.opening-explorer.collapsed .oe-body {
  display: none;
}
.opening-explorer.collapsed .oe-chevron {
  transform: rotate(-90deg);
}

/* Move table */
.oe-moves-table {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.oe-move-row {
  display: grid;
  grid-template-columns: 16px 32px 1fr 44px;
  align-items: center;
  gap: 4px;
  padding: 1px 2px;
  border-radius: 2px;
  cursor: pointer;
  font-size: 0.65rem;
  line-height: 1.1;
}
.oe-header-row {
  cursor: default;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1px;
}
.oe-header-row:hover {
  background: none;
}
.oe-move-row:not(.oe-header-row):hover {
  background: rgba(255,255,255,0.06);
}
.oe-col-label {
  font-size: 0.55rem;
  color: #666;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.oe-move-san {
  font-family: monospace;
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.65rem;
}
.oe-move-db {
  text-align: right;
  color: var(--accent);
  font-size: 0.55rem;
  white-space: nowrap;
  font-weight: 600;
}
.oe-move-db-link {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}
.oe-move-db-link:hover {
  color: #d4af37;
}

/* WDL color bar */
.oe-wdl-bar {
  display: flex;
  height: 10px;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  min-width: 0;
}
.oe-wdl-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-width: 0;
  transition: width 0.3s ease;
}
.oe-wdl-seg.w { background: #e8e8e8; }
.oe-wdl-seg.d { background: #777; }
.oe-wdl-seg.l { background: #333; }
.oe-wdl-label {
  font-size: 0.5rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}
.oe-wdl-seg.w .oe-wdl-label { color: #222; }
.oe-wdl-seg.d .oe-wdl-label { color: #eee; }
.oe-wdl-seg.l .oe-wdl-label { color: #ccc; }

/* Book tab panel */
.book-panel {
  padding: 4px 8px;
  overflow-y: auto;
  flex: 0 1 auto;
  height: 200px;
  min-height: 80px;
}
.book-panel .oe-moves-table {
  max-width: 100%;
}

/* GM avatars */
.oe-gm-row {
  display: flex;
  align-items: center;
  gap: 3px;
}
.oe-gm-avatar {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: transform 0.15s ease;
  object-fit: cover;
}
.oe-gm-avatar:hover {
  transform: scale(1.2);
  border-color: var(--accent);
}

/* === Repertoire Stars === */
.oe-star {
  font-size: 0.75rem;
  cursor: pointer;
  color: #555;
  transition: color 0.15s;
  text-align: center;
  line-height: 1;
  user-select: none;
}
.oe-star:hover { color: #d4af37; }
.oe-star.starred { color: #d4af37; }
.oe-move-row.oe-repertoire {
  background: rgba(212, 175, 55, 0.08);
}
.oe-header-row .oe-star { visibility: hidden; }

.oe-repertoire-toggle {
  font-size: 0.6rem;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--btn-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.oe-repertoire-toggle:hover { background: var(--btn-hover); }
.oe-repertoire-toggle.active {
  background: rgba(212, 175, 55, 0.2);
  border-color: #d4af37;
  color: #d4af37;
}

.oe-repertoire-summary {
  font-size: 0.7rem;
  color: #d4af37;
  padding: 4px 8px;
  text-align: center;
}

.book-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
  min-height: 20px;
  gap: 4px;
}

/* === Analysis Arrows (SVG overlay on board) === */
.board-arrows {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 4;
}
.board-arrows line {
  stroke-linecap: round;
}

/* Analysis square highlights */
.square.analysis-best {
  box-shadow: inset 0 0 0 3px rgba(76, 175, 80, 0.6);
}
.square.analysis-blunder {
  box-shadow: inset 0 0 0 3px rgba(244, 67, 54, 0.6);
}
.square.analysis-mistake {
  box-shadow: inset 0 0 0 3px rgba(255, 152, 0, 0.5);
}
.square.analysis-inaccuracy {
  box-shadow: inset 0 0 0 3px rgba(255, 193, 7, 0.4);
}

/* === Dialogs === */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  overscroll-behavior: contain;
}

.dialog {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  min-width: 320px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
}

.dialog-wide {
  min-width: 500px;
  width: 860px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dialog h2 {
  color: var(--text-light);
  margin-bottom: 12px;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.dialog h3 {
  color: var(--text-light);
  margin-bottom: 12px;
}

.dialog-section {
  margin-bottom: 14px;
}

.dialog-section label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-color);
  font-size: 0.85rem;
  font-weight: 600;
}

.btn-group {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

/* Play-as color buttons */
.btn-group[data-setting="color"] .btn {
  min-width: 70px;
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.15s;
}
.btn-group[data-setting="color"] .btn[data-value="w"] {
  background: #f0f0f0;
  color: #1a1a1a;
  border: 2px solid #ccc;
}
.btn-group[data-setting="color"] .btn[data-value="w"].active {
  background: #fff;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-color);
}
.btn-group[data-setting="color"] .btn[data-value="b"] {
  background: #2a2a2a;
  color: #e0e0e0;
  border: 2px solid #555;
}
.btn-group[data-setting="color"] .btn[data-value="b"].active {
  background: #1a1a1a;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-color);
}
.btn-group[data-setting="color"] .btn[data-value="random"] {
  background: linear-gradient(135deg, #f0f0f0 50%, #2a2a2a 50%);
  color: #888;
  border: 2px solid #777;
  text-shadow: 0 0 4px rgba(0,0,0,0.5), 0 0 4px rgba(255,255,255,0.5);
}
.btn-group[data-setting="color"] .btn[data-value="random"].active {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-color);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
  flex-shrink: 0;
}

/* Promotion Dialog */
.promotion-dialog {
  min-width: unset;
}

.promotion-pieces {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.promotion-piece {
  width: 60px;
  height: 60px;
  background: var(--btn-bg);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.promotion-piece:hover {
  border-color: var(--accent);
  background: var(--btn-hover);
}

.promotion-piece img {
  width: 48px;
  height: 48px;
}

/* === Opening Label (below board) === */
.opening-label {
  text-align: center;
  font-size: 0.8rem;
  color: var(--accent);
  font-style: italic;
  padding: 4px 0;
  height: 22px;
  overflow: hidden;
  transition: color 0.15s;
}
.opening-label:empty {
  display: none;
}
.opening-label[style*="cursor: pointer"]:hover {
  color: #d4af37;
  flex-shrink: 0;
}
.db-match-count {
  color: #d4af37;
  font-style: normal;
  font-weight: 600;
}

/* === Bot Picker — Two-Panel Layout === */
.dialog-new-game {
  width: 860px;
  max-width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.dialog-new-game h2 {
  color: #d4af37;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.1rem;
  margin-bottom: 2px;
  flex-shrink: 0;
}
.dialog-new-game h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: #d4af37;
  margin-top: 6px;
  border-radius: 1px;
}

/* Top row: Mode + Play as + Game Type side by side */
.new-game-top-row {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  flex-shrink: 0;
}
.new-game-top-item {
  flex: 1;
  min-width: 0;
}
.new-game-top-item label {
  display: block;
  margin-bottom: 4px;
}
.dialog-new-game .dialog-section.engine-only {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.dialog-new-game .tc-section {
  flex-shrink: 0;
}
.tc-compact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* Time control grid (categorized) — see also .time-control-grid near line 1875 */

.bot-picker-layout {
  display: flex;
  border: 1px solid #d4af3744;
  border-radius: 6px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: var(--panel-bg);
}

.bot-picker-list {
  width: 200px;
  min-width: 200px;
  overflow-y: auto;
  border-right: 1px solid var(--border-color);
  flex-shrink: 0;
  background: rgba(0,0,0,0.15);
}

.bot-picker-detail {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  min-width: 0;
}

/* Tier labels in bot list */
.bot-tier-label {
  padding: 6px 8px 4px;
  font-size: 0.6rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border-color);
  background: var(--panel-bg, #1e1e1e);
  position: sticky;
  top: 0;
  z-index: 1;
}

/* Compact card in left list */
.bot-list-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  margin: 1px 4px;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.15s;
}

.bot-list-card:hover {
  background: var(--btn-bg);
}

.bot-list-card.selected {
  border-color: var(--accent);
  background: rgba(129, 182, 76, 0.1);
}

.bot-list-portrait {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--btn-bg);
  object-fit: cover;
}

.bot-list-info {
  flex: 1;
  min-width: 0;
}

.bot-list-name {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bot-list-elo {
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 600;
}

/* Detail panel (right side) */
.gm-detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.gm-portrait-lg {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  flex-shrink: 0;
  background: var(--btn-bg);
  object-fit: cover;
}

.gm-detail-name {
  color: var(--text-light);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.gm-detail-subtitle {
  color: #888;
  font-size: 0.78rem;
  font-style: italic;
}

.gm-detail-elo {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 4px;
}

.gm-detail-wc {
  color: #c90;
  font-size: 0.72rem;
  margin-top: 2px;
}

.gm-detail-section {
  margin-bottom: 12px;
}

.gm-detail-section h4 {
  color: var(--text-light);
  font-size: 0.75rem;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gm-detail-bio {
  font-size: 0.78rem;
  color: var(--text-color);
  line-height: 1.4;
  margin-bottom: 10px;
}
.gm-detail-dates {
  font-size: 0.72rem;
  color: #888;
  margin-top: 2px;
}
.gm-detail-philosophy {
  font-size: 0.78rem;
  color: var(--text-secondary, #aaa);
  line-height: 1.45;
}
.gm-detail-browse-btn {
  margin-top: 8px;
  width: 100%;
}

/* GM Browse standalone dialog — "The Hall of Champions" */
#gm-browse-dialog .dialog {
  width: 760px;
  max-width: 95vw;
}
#gm-browse-dialog h2 {
  text-align: center;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #d4af37;
  margin-bottom: 8px;
}
.gm-browse-subtitle {
  text-align: center;
  font-size: 0.7rem;
  color: #888;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.gm-browse-layout {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: var(--panel-bg);
}
.gm-browse-list {
  width: 190px;
  min-width: 190px;
  overflow-y: auto;
  border-right: 1px solid var(--border-color);
  flex-shrink: 0;
  background: rgba(0,0,0,0.15);
}
.gm-browse-detail {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  min-width: 0;
}
/* GM list card in browse dialog */
.gm-list-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}
.gm-list-card:hover {
  background: rgba(255,255,255,0.04);
}
.gm-list-card.selected {
  border-left-color: #d4af37;
  background: rgba(212, 175, 55, 0.08);
}
.gm-list-portrait {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--btn-bg);
  object-fit: cover;
  border: 2px solid var(--border-color);
}
.gm-list-card.selected .gm-list-portrait {
  border-color: #d4af37;
}
.gm-list-card.wc .gm-list-portrait {
  border-color: rgba(212, 175, 55, 0.4);
}
.gm-list-info {
  flex: 1;
  min-width: 0;
}
.gm-list-name {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gm-list-meta {
  font-size: 0.62rem;
  color: #888;
  display: flex;
  align-items: center;
  gap: 6px;
}
.gm-list-elo {
  color: var(--accent);
  font-weight: 600;
}
.gm-list-crown {
  color: #d4af37;
  font-size: 0.6rem;
}
/* Rich detail panel */
.gmb-hero {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
}
.gmb-portrait {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
  border: 3px solid var(--accent);
  background: var(--btn-bg);
}
.gmb-portrait.wc {
  border-color: #d4af37;
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.35);
}
.gmb-hero-info {
  flex: 1;
  min-width: 0;
}
.gmb-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 1px;
}
.gmb-epithet {
  font-size: 0.78rem;
  font-style: italic;
  color: #aaa;
  margin-bottom: 4px;
}
.gmb-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}
.gmb-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.gmb-badge-elo {
  background: rgba(129, 182, 76, 0.15);
  color: var(--accent);
}
.gmb-badge-wc {
  background: rgba(212, 175, 55, 0.15);
  color: #d4af37;
}
.gmb-badge-dates {
  background: var(--btn-bg);
  color: #aaa;
  font-weight: 400;
}
.gmb-badge-coach {
  background: rgba(100, 140, 220, 0.15);
  color: #7ba8e0;
}
/* Two-column content below hero */
.gmb-columns {
  display: flex;
  gap: 16px;
}
.gmb-col-main {
  flex: 1;
  min-width: 0;
}
.gmb-col-side {
  width: 200px;
  flex-shrink: 0;
}
.gmb-section {
  margin-bottom: 10px;
}
.gmb-section-title {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #d4af37;
  font-weight: 700;
  margin-bottom: 4px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}
.gmb-bio {
  font-size: 0.75rem;
  color: var(--text-color);
  line-height: 1.4;
}
.gmb-style-quote {
  font-size: 0.72rem;
  color: var(--text-secondary, #aaa);
  line-height: 1.35;
  border-left: 2px solid #d4af37;
  padding-left: 8px;
  font-style: italic;
}
.gmb-coach-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--text-secondary, #aaa);
}
.gmb-coach-icon {
  font-size: 1rem;
}
/* Compact style bars for browse */
.gmb-styles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 10px;
}
.gmb-style-row {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.62rem;
}
.gmb-style-label {
  width: 56px;
  color: #888;
  text-align: right;
  flex-shrink: 0;
}
.gmb-style-bar {
  flex: 1;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  min-width: 24px;
}
.gmb-style-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.25s;
}
.gmb-style-fill.low { background: #c33; }
.gmb-style-fill.mid { background: #c90; }
.gmb-style-fill.high { background: var(--accent); }
.gmb-style-val {
  width: 12px;
  text-align: right;
  color: var(--text-color);
  font-weight: 600;
}
/* Opening tags */
.gmb-openings {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}
.gmb-opening {
  background: var(--btn-bg);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.65rem;
  color: var(--text-color);
}
.gmb-opening .eco {
  color: var(--accent);
  font-weight: 600;
  margin-right: 3px;
}
/* Famous games compact */
.gmb-games {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.gmb-game {
  font-size: 0.68rem;
  color: var(--text-color);
  padding: 2px 0;
}
.gmb-game-name {
  color: var(--text-light);
  font-weight: 600;
}
.gmb-game-desc {
  color: #888;
  font-size: 0.62rem;
}
/* Chess ornament divider */
.gmb-divider {
  text-align: center;
  color: rgba(212, 175, 55, 0.3);
  letter-spacing: 6px;
  font-size: 0.8rem;
  margin: 6px 0 10px;
}
/* Clickable famous games */
.gmb-game-clickable {
  cursor: pointer;
  border-radius: 3px;
  padding: 2px 4px;
  transition: background 0.15s;
}
.gmb-game-clickable:hover {
  background: rgba(212, 175, 55, 0.1);
}
.gmb-game-clickable:hover .gmb-game-name {
  color: #d4af37;
}
/* Clickable openings */
.gmb-opening-clickable {
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  border: 1px solid transparent;
}
.gmb-opening-clickable:hover {
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(212, 175, 55, 0.08);
}
/* Action row at bottom */
.gmb-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
}
.gmb-actions .btn {
  font-size: 0.72rem;
}

/* Composer Browse Dialog — "The Great Composers" */
#composer-browse-dialog .dialog {
  width: 760px;
  max-width: 95vw;
}
#composer-browse-dialog h2 {
  text-align: center;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b87fd4;
  margin-bottom: 8px;
}
.composer-browse-subtitle {
  text-align: center;
  font-size: 0.7rem;
  color: #888;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
/* Composer search row */
.cmpb-search-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.cmpb-search-icon {
  font-size: 0.85rem;
  color: #888;
  flex-shrink: 0;
}
.cmpb-search {
  flex: 1;
  padding: 5px 10px;
  font-size: 0.78rem;
  background: var(--btn-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s;
}
.cmpb-search:focus {
  border-color: #b87fd4;
}

.composer-browse-layout {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: var(--panel-bg);
}
.composer-browse-list {
  width: 190px;
  min-width: 190px;
  overflow-y: auto;
  border-right: 1px solid var(--border-color);
  flex-shrink: 0;
  background: rgba(0,0,0,0.15);
}
.composer-browse-detail {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  min-width: 0;
}
/* Composer list card */
.cmp-list-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}
.cmp-list-card:hover {
  background: rgba(255,255,255,0.04);
}
.cmp-list-card.selected {
  border-left-color: #b87fd4;
  background: rgba(184, 127, 212, 0.08);
}
.cmp-list-portrait {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--btn-bg);
  object-fit: cover;
  border: 2px solid var(--border-color);
}
.cmp-list-card.selected .cmp-list-portrait {
  border-color: #b87fd4;
}
.cmp-list-info {
  flex: 1;
  min-width: 0;
}
.cmp-list-name {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cmp-list-meta {
  font-size: 0.6rem;
  color: #888;
}
.cmp-era-label {
  padding: 6px 8px 3px;
  font-size: 0.55rem;
  color: #b87fd4;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border-color);
  background: var(--panel-bg, #1e1e1e);
  position: sticky;
  top: 0;
  z-index: 1;
}
/* Rich detail panel */
.cmpb-hero {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}
.cmpb-portrait {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
  border: 3px solid #b87fd4;
  background: var(--btn-bg);
  box-shadow: 0 0 10px rgba(184, 127, 212, 0.2);
}
.cmpb-hero-info {
  flex: 1;
  min-width: 0;
}
.cmpb-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 1px;
}
.cmpb-era-label {
  font-size: 0.68rem;
  color: #b87fd4;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.cmpb-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.cmpb-badge {
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.cmpb-badge-era {
  background: rgba(184, 127, 212, 0.15);
  color: #b87fd4;
}
.cmpb-badge-dates {
  background: var(--btn-bg);
  color: #aaa;
  font-weight: 400;
}
/* Two-column content */
.cmpb-columns {
  display: flex;
  gap: 16px;
}
.cmpb-col-main {
  flex: 1;
  min-width: 0;
}
.cmpb-col-side {
  width: 200px;
  flex-shrink: 0;
}
.cmpb-section {
  margin-bottom: 10px;
}
.cmpb-section-title {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #b87fd4;
  font-weight: 700;
  margin-bottom: 4px;
}
.cmpb-bio {
  font-size: 0.75rem;
  color: var(--text-color);
  line-height: 1.4;
}
.cmpb-style-quote {
  font-size: 0.72rem;
  color: var(--text-secondary, #aaa);
  line-height: 1.35;
  border-left: 2px solid #b87fd4;
  padding-left: 8px;
  font-style: italic;
}
.cmpb-key-works {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.cmpb-work-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--btn-bg);
  border-radius: 10px;
  font-size: 0.68rem;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  transition: border-color 0.15s, background 0.15s;
}
.cmpb-work-playable {
  cursor: pointer;
}
.cmpb-work-playable:hover {
  border-color: #b87fd4;
  background: rgba(184, 127, 212, 0.12);
  color: #b87fd4;
}
.cmpb-work-unavailable {
  opacity: 0.5;
}
/* Track list in composer browse */
.cmpb-tracks {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.cmpb-track {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 4px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.7rem;
  transition: background 0.12s;
}
.cmpb-track:hover {
  background: var(--btn-bg);
}
.cmpb-track.active {
  background: rgba(184, 127, 212, 0.15);
}
.cmpb-track.active .cmpb-track-title {
  color: #b87fd4;
  font-weight: 600;
}
.cmpb-track-play {
  width: 16px;
  flex-shrink: 0;
  color: #888;
  font-size: 0.6rem;
  text-align: center;
}
.cmpb-track.active .cmpb-track-play {
  color: #b87fd4;
}
.cmpb-track-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-light);
}
.cmpb-track-dur {
  font-size: 0.6rem;
  color: #888;
  flex-shrink: 0;
}
.cmpb-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
}
.cmpb-actions .btn {
  font-size: 0.72rem;
}

/* Style attribute bars in detail panel */
.bot-styles-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px 12px;
}

.bot-style {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.68rem;
}

.bot-style-name {
  width: 62px;
  color: #888;
  text-align: right;
  flex-shrink: 0;
}

.bot-style-bar {
  flex: 1;
  height: 5px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
  min-width: 30px;
}

.bot-style-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.2s;
}

.bot-style-fill.low { background: #c33; }
.bot-style-fill.mid { background: #c90; }
.bot-style-fill.high { background: var(--accent); }

.bot-style-val {
  width: 14px;
  text-align: right;
  color: var(--text-color);
  font-weight: 600;
}

/* Openings tags */
.gm-openings-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.gm-opening-tag {
  background: var(--btn-bg);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.72rem;
  color: var(--text-color);
}
.gm-opening-clickable {
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  border: 1px solid transparent;
}
.gm-opening-clickable:hover {
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(212, 175, 55, 0.08);
}
.gm-game-clickable {
  cursor: pointer;
  border-radius: 3px;
  padding: 3px 4px;
  transition: background 0.15s;
}
.gm-game-clickable:hover {
  background: rgba(212, 175, 55, 0.1);
}
.gm-game-clickable:hover .gm-game-name {
  color: #d4af37;
}

.gm-opening-tag .eco {
  color: var(--accent);
  font-weight: 600;
  margin-right: 4px;
}

/* Famous games list */
.gm-famous-game {
  font-size: 0.75rem;
  color: var(--text-color);
  padding: 3px 0;
  border-bottom: 1px solid var(--border-color);
}

.gm-famous-game:last-child {
  border-bottom: none;
}

.gm-game-name {
  color: var(--text-light);
  font-weight: 600;
}

.gm-game-desc {
  color: #888;
  font-size: 0.7rem;
  margin-top: 1px;
}

/* === Database Category Tabs === */
.db-category-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
  overflow-x: auto;
}

.db-tab {
  padding: 6px 14px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-color);
  font-size: 0.82rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.db-tab:hover {
  color: var(--text-light);
}

.db-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.db-tab .tab-count {
  font-size: 0.68rem;
  color: #888;
  margin-left: 3px;
}

/* === Database Browser === */
.db-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.db-controls input, .db-controls select {
  flex: 1;
  padding: 6px 10px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.85rem;
}

.db-results-summary {
  padding: 4px 8px;
  font-size: 0.8rem;
  color: #999;
}

.db-games-list {
  height: 400px;
  min-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.db-game-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  border-left: 3px solid #d4a843;
  cursor: pointer;
  font-size: 0.85rem;
}

.db-game-item:last-child {
  border-bottom: none;
}

.db-game-item:hover {
  background: var(--btn-bg);
}

.db-game-players {
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.db-game-info {
  color: #888;
  font-size: 0.78rem;
}

.db-game-result {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: auto;
  flex-shrink: 0;
}

.db-game-result.win   { background: #d4a843; color: #1a1a1a; }
.db-game-result.loss  { background: #8b4444; color: #ddd; }
.db-game-result.draw  { background: #555; color: #ccc; }

.db-eco {
  display: inline-block;
  font-family: monospace;
  font-size: 0.7rem;
  background: rgba(212, 168, 67, 0.15);
  color: #d4a843;
  padding: 1px 5px;
  border-radius: 3px;
  margin-right: 6px;
}

.db-header-stats {
  text-align: center;
  padding: 10px 0 8px;
  color: #d4a843;
  font-size: 0.85rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

/* Collection cards grid */
.db-collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px;
  padding: 8px;
}
.db-collection-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-bg, #2a2a2a);
  border: 1px solid var(--border-color, #444);
  border-radius: 6px;
  padding: 10px 12px;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
}
.db-collection-card:hover {
  background: var(--hover-bg, #363636);
  border-color: #d4a843;
  transform: translateY(-1px);
}
.db-card-icon {
  font-size: 1.4rem;
  line-height: 1;
  opacity: 0.7;
}
.db-collection-card:hover .db-card-icon { opacity: 1; }
.db-collection-card[data-category="players"] .db-card-icon { color: #6eb5ff; }
.db-collection-card[data-category="openings"] .db-card-icon { color: #d4a843; }
.db-collection-card[data-category="events"] .db-card-icon { color: #a078d0; }
.db-collection-card[data-category="classic"] .db-card-icon { color: #e8c547; }
.db-card-text { min-width: 0; }
.db-collection-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary, #eee);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.db-collection-count {
  font-size: 0.7rem;
  color: #888;
  margin-top: 2px;
}
/* Section headers for grouped "All" view */
.db-section { margin-bottom: 4px; }
.db-section-header {
  padding: 8px 12px 4px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #d4a843;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.db-section-icon { font-size: 1.1rem; }
.db-section-count {
  font-weight: 400;
  font-size: 0.72rem;
  color: #888;
  margin-left: auto;
}
.db-back-btn {
  padding: 8px 14px;
  color: #d4a843;
  font-size: 0.82rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color, #444);
}
.db-back-btn:hover {
  background: var(--hover-bg, #363636);
}

.db-match-count {
  font-style: normal;
  color: #d4af37;
  font-size: 0.78rem;
  font-weight: 600;
}

.pgn-file-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.pgn-file-label {
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.8rem;
}
.pgn-file-name {
  color: #999;
  font-size: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* PGN textarea */
#pgn-input {
  width: 100%;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  padding: 8px;
  resize: vertical;
}

/* === Hidden === */
.hidden {
  display: none !important;
}

/* === Engine Thinking Indicator === */
.thinking {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.thinking-dots span {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 1.4s infinite both;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 80%, 100% { opacity: 0.2; }
  40% { opacity: 1; }
}

/* === Captured Pieces === */
.player-info-left {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.captured-pieces {
  display: flex;
  align-items: center;
  gap: 1px;
  flex-wrap: nowrap;
  overflow: hidden;
  max-width: 200px;
  margin-left: 6px;
}

.captured-piece-img {
  width: 20px;
  height: 20px;
  opacity: 1;
  margin-left: -3px;
  filter: drop-shadow(0 0 1px rgba(255,255,255,0.5)) drop-shadow(0 0 2px rgba(255,255,255,0.25));
}

.captured-piece-img:first-child {
  margin-left: 0;
}

.material-advantage {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  margin-left: 4px;
}

/* === Time Control Grid === */
.time-control-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tc-category {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tc-label {
  width: 60px;
  font-size: 0.72rem;
  color: #888;
  text-align: right;
  flex-shrink: 0;
}

.tc-buttons {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.tc-label-bullet { color: #ff6b6b; }
.tc-label-blitz  { color: #ffa94d; }
.tc-label-rapid  { color: #74c0fc; }
.tc-label-classical { color: #d4af37; }
.tc-label-custom { color: #888; }

.tc-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tc-custom {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tc-custom-inputs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--text-color);
}
.tc-custom-row {
  display: flex;
  align-items: center;
  gap: 5px;
}
.tc-custom-row label {
  width: 55px;
  flex-shrink: 0;
  font-size: 0.7rem;
  opacity: 0.7;
}
.tc-hint {
  font-size: 0.6rem;
  opacity: 0.5;
}

.tc-custom-inputs input {
  width: 48px;
  padding: 3px 5px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  color: var(--text-color);
  font-size: 0.75rem;
  text-align: center;
}

/* === Panel Tabs === */
/* Match info header in moves window */
.match-info-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  background: rgba(255,255,255,0.02);
  font-size: 0.72rem;
  min-height: 22px;
}

.match-info-label {
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.3px;
}

.match-info-opening {
  color: rgba(255,255,255,0.45);
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
  text-align: right;
}

/* Move nav buttons in moves window */
.moves-nav-bar {
  display: flex;
  gap: 3px;
  padding: 5px 8px;
  justify-content: center;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
  background: linear-gradient(to top, rgba(255,255,255,0.03), transparent);
}

.moves-nav-bar .btn {
  flex: 1;
  max-width: 44px;
  min-width: 0;
  padding: 5px 0;
  font-size: 0.95rem;
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  transition: background 0.15s, color 0.15s;
}

.moves-nav-bar .btn:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.moves-nav-bar .btn:active {
  background: var(--accent, #c9a84c);
  color: #1a1816;
}

/* Layout presets */
.layout-presets-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.layout-presets-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.presets-empty {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.3);
  font-style: italic;
}

.preset-row {
  display: flex;
  gap: 4px;
  align-items: center;
}

.preset-load {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preset-delete {
  width: 22px;
  flex-shrink: 0;
  text-align: center;
  color: rgba(255,100,100,0.6);
}

.panel-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-color);
  flex-shrink: 0;
}

.panel-tab {
  flex: 1 1 0;
  min-width: 0;
  padding: 6px 4px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-color);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}

.panel-tab:hover {
  color: var(--text-light);
}

.panel-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.panel-tab.tab-analyzing::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 4px;
  animation: pulse-live 1.5s infinite;
}

.panel-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  gap: 8px;
  overflow-y: auto;
  overflow-x: hidden;
}
.panel-content::-webkit-scrollbar { width: 4px; }
.panel-content::-webkit-scrollbar-thumb { background: #555; border-radius: 2px; }

/* === Advisor Annotations in Moves Tab === */
.advisor-annotations {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  flex-shrink: 0;
  padding: 4px 4px 0;
  min-height: 0;
}

.advisor-ann {
  font-size: 0.7rem;
  padding: 2px 6px;
  background: var(--bg-color);
  border-radius: 4px;
  border-left: 2px solid var(--accent);
  white-space: nowrap;
  color: var(--text-color);
}

.advisor-ann-name {
  color: #888;
  font-size: 0.65rem;
}

.advisor-ann-eval {
  color: #888;
  font-size: 0.65rem;
}

/* === Move Insight (per-move learning feedback) === */
.move-insight {
  padding: 8px 10px;
  background: var(--bg-color);
  border-radius: 4px;
  font-size: 0.78rem;
  line-height: 1.4;
  border-left: 3px solid var(--accent);
  margin: 4px 0;
  flex-shrink: 0;
  max-height: 120px;
  overflow-y: auto;
}

.move-insight-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.move-insight-badge {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 600;
  color: #fff;
  text-transform: capitalize;
}

.move-insight-move {
  font-weight: 700;
  color: var(--text-light);
}

.move-insight-eval {
  color: #888;
  font-size: 0.7rem;
}

.move-insight-comment {
  color: var(--text-color);
  margin-top: 2px;
}

.move-insight-best {
  color: #81b64c;
  font-size: 0.72rem;
  margin-top: 3px;
}

.move-insight-best strong {
  color: var(--text-light);
}

.move-insight-pv {
  color: #888;
  font-size: 0.68rem;
  margin-top: 2px;
  font-family: monospace;
}

/* === Notes === */
.move-notes {
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  gap: 4px;
  height: 40px;
  min-height: 40px;
  box-sizing: border-box;
}

.move-notes-half {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--panel-bg);
  border-radius: 4px;
  overflow: hidden;
}

.move-notes-label {
  font-size: 0.58rem;
  font-weight: 600;
  color: #888;
  letter-spacing: 0.3px;
  padding: 2px 8px 0;
  flex-shrink: 0;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.move-notes-input {
  width: 100%;
  background: transparent;
  color: var(--text-color);
  border: none;
  padding: 2px 8px 4px;
  font-size: 0.72rem;
  resize: none;
  font-family: 'Georgia', 'Palatino Linotype', 'Book Antiqua', serif;
  height: 100%;
  box-sizing: border-box;
  line-height: 1.4;
}

.move-notes-input:focus {
  outline: none;
}
.move-notes-input::placeholder {
  font-style: italic;
  opacity: 0.4;
}

.move-notes {
  position: relative;
}
.notes-save-btn {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 3px;
  font-size: 0.55rem;
  font-weight: 600;
  padding: 2px 7px;
  cursor: pointer;
  line-height: 1.2;
  opacity: 0.7;
  transition: opacity 0.15s;
}
.notes-save-btn:hover {
  opacity: 1;
}
.notes-save-btn.saved {
  background: #555;
  color: #aaa;
  opacity: 0.6;
}

/* === Ideas Coach & Moves areas === */
/* Shared split-pane label */
.split-pane-label {
  font-size: 0.6rem;
  font-weight: 700;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 8px 3px;
  flex-shrink: 0;
}

/* Ideas & Coach split — must have explicit height since side-panel scrolls as whole */
#tab-ideas:not(.hidden),
#tab-gm-coach:not(.hidden) {
  min-height: 320px;
}

.ideas-split {
  display: flex;
  flex-direction: row;
  flex: 1;
  min-height: 280px;
}
.ideas-moves-pane {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  overflow: hidden;
}
.ideas-moves-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 6px 6px;
  font-size: 0.72rem;
}
.ideas-moves-list .move-row {
  display: flex;
  gap: 2px;
  padding: 1px 0;
}
.ideas-moves-list .move-number {
  color: #666;
  font-size: 0.65rem;
  min-width: 18px;
  text-align: right;
  padding-right: 2px;
}
.ideas-moves-list .move-cell {
  color: var(--text-color);
  cursor: pointer;
  padding: 0 3px;
  border-radius: 2px;
  min-width: 28px;
}
.ideas-moves-list .move-cell:hover {
  background: var(--btn-hover);
}
.ideas-moves-list .move-cell.active {
  background: var(--accent);
  color: #fff;
}

.ideas-coach-area {
  padding: 6px 8px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
}
.ideas-coach-area:empty { display: none; }

/* === Ideas / Advisor Panel === */
.ideas-panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow-y: auto;
  padding: 4px 6px;
}
.ideas-header {
  display: flex;
  align-items: center;
  padding: 6px 0;
  flex-shrink: 0;
}
.ideas-list {
  flex: 0 1 auto;
  max-height: 50%;
  min-height: 60px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ideas-empty {
  color: #888;
  font-size: 0.82rem;
  text-align: center;
  padding: 24px 12px;
}
.idea-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  background: var(--bg-color);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}
.idea-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
}
.idea-portrait {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
  background: var(--btn-bg);
}
.idea-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.idea-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
}
.idea-elo {
  font-size: 0.65rem;
  color: #888;
}
.idea-move-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.idea-move {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 40px;
  text-align: center;
  line-height: 1.2;
}
.idea-eval {
  font-size: 0.72rem;
  color: var(--text-color);
  text-align: center;
}
.idea-pv {
  font-size: 0.72rem;
  color: #777;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 44px;
}
.idea-thinking .idea-move,
.idea-thinking .idea-eval,
.idea-thinking .idea-pv {
  animation: idea-pulse 1.2s ease-in-out infinite;
}
.idea-thinking .idea-move::after {
  content: '';
}
@keyframes idea-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}

/* Advisor picker dropdown */
.advisor-picker {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 6px;
}
.advisor-picker-tier {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
  padding: 6px 0 2px;
}
.advisor-picker-tier:first-child {
  padding-top: 0;
}
.advisor-picker label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 2px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-color);
  border-radius: 4px;
}
.advisor-picker label:hover {
  background: var(--btn-bg);
}
.advisor-picker label img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
}
.advisor-picker label .advisor-pick-elo {
  font-size: 0.68rem;
  color: #888;
  margin-left: auto;
}
.picker-done-btn {
  width: 100%;
  margin-top: 6px;
}
.picker-change-btn {
  margin-bottom: 6px;
  width: 100%;
}

/* === Coach Panel === */
.coach-panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.coach-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.coach-tier-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.coach-messages {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 80px;
  background: var(--panel-bg);
  border-radius: 4px;
}

.coach-msg {
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  line-height: 1.4;
  max-width: 90%;
  word-wrap: break-word;
}

.coach-msg.coach {
  background: var(--btn-bg);
  color: var(--text-color);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.coach-msg.user {
  background: var(--accent);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.coach-msg.error { border-left: 3px solid #c33; }
.coach-msg.warning { border-left: 3px solid #c90; }
.coach-msg.opportunity { border-left: 3px solid #3a9; }
.coach-msg.praise { border-left: 3px solid var(--accent); }
.coach-msg.suggestion { border-left: 3px solid #69c; }
.coach-msg.info { border-left: 3px solid #888; }

.coach-input {
  display: flex;
  gap: 4px;
  padding: 6px 0;
  flex-shrink: 0;
}

.coach-input input {
  flex: 1;
  padding: 6px 10px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.82rem;
}

.coach-status {
  font-size: 0.72rem;
  color: #888;
  min-height: 16px;
  flex-shrink: 0;
}

.coach-info {
  font-size: 0.75rem;
  color: #888;
  margin-bottom: 8px;
}

.coach-api-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-row label {
  font-size: 0.78rem;
  font-weight: 600;
}

.form-row input,
.form-row select {
  padding: 6px 10px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.82rem;
}

/* === Live Advisors Panel === */
.live-advisors-panel { padding: 12px; }
.live-advisors-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.live-advisors-title { font-weight: 600; font-size: 0.95rem; }
.live-advisor-section {
  margin-bottom: 10px; padding: 8px 10px;
  background: var(--input-bg, var(--bg-color)); border-radius: 6px;
}
.live-advisor-section-title {
  font-weight: 600; font-size: 0.85rem; margin-bottom: 4px;
  color: var(--accent-color, var(--accent));
}
.live-advisor-section-text {
  font-size: 0.82rem; color: var(--text-secondary, #aaa); line-height: 1.4;
}
.live-advisors-empty {
  color: var(--text-secondary, #888); text-align: center;
  padding: 30px 10px; font-size: 0.85rem;
}
#live-advisors-coach {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--border-color);
}
.live-advisors-section-title {
  font-weight: 600; font-size: 0.85rem; margin-bottom: 6px;
  color: var(--coach-accent, var(--accent-color, var(--accent)));
}
#live-advisors-coach-text {
  font-size: 0.82rem; color: var(--text-secondary, #aaa); line-height: 1.4;
}

/* === GM Coach Panel === */
/* GM Coach split layout */
.gm-coach-split {
  display: flex;
  flex-direction: row;
  flex: 1;
  min-height: 280px;
}
.gm-coach-moves-pane {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  overflow: hidden;
}
/* Use shared .split-pane-label for pane headers */
.gm-coach-moves-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 6px 6px;
  font-size: 0.72rem;
}
.gm-coach-moves-list .move-row {
  display: flex;
  gap: 2px;
  padding: 1px 0;
}
.gm-coach-moves-list .move-number {
  color: #666;
  font-size: 0.65rem;
  min-width: 18px;
  text-align: right;
  padding-right: 2px;
}
.gm-coach-moves-list .move-cell {
  color: var(--text-color);
  cursor: pointer;
  padding: 0 3px;
  border-radius: 2px;
  min-width: 28px;
}
.gm-coach-moves-list .move-cell:hover {
  background: var(--btn-hover);
}
.gm-coach-moves-list .move-cell.active {
  background: var(--accent);
  color: #fff;
}
.gm-coach-panel { padding: 6px 8px; display: flex; flex-direction: column; gap: 4px; flex: 1; min-height: 0; min-width: 0; overflow-y: auto; }
.gm-coach-header {
  display: flex; justify-content: space-between; align-items: center;
}
.gm-coach-picker {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
}
.gm-coach-picker-tier {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
  padding: 6px 0 2px;
}
.gm-coach-picker-tier:first-child { padding-top: 0; }
.gm-coach-picker label {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 6px; border-radius: 6px; cursor: pointer;
  font-size: 0.82rem; color: var(--text-light);
}
.gm-coach-picker label:hover { background: var(--btn-bg); }
.gm-coach-picker img {
  width: 28px; height: 28px; border-radius: 50%; object-fit: cover;
  background: var(--btn-bg); flex-shrink: 0;
}
.gm-coach-picker .gm-coach-pick-elo {
  margin-left: auto; font-size: 0.65rem; color: #888;
}
.gm-coach-cards { display: flex; flex-direction: column; gap: 6px; overflow-y: auto; flex: 0 1 auto; max-height: 50%; min-height: 60px; }
.gm-coach-empty {
  color: var(--text-secondary, #888); text-align: center;
  padding: 16px 8px; font-size: 0.78rem;
}
.gm-coach-card {
  display: flex; flex-direction: column; gap: 3px;
  padding: 8px 10px;
  background: var(--bg-color);
  border-radius: 6px;
  border-left: 2px solid var(--accent);
}
.gm-coach-card-top {
  display: flex; align-items: center; gap: 6px;
}
.gm-coach-portrait {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  object-fit: cover; background: var(--btn-bg);
}
.gm-coach-info { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.gm-coach-name {
  font-size: 0.75rem; font-weight: 600; color: var(--text-light);
  white-space: nowrap;
}
.gm-coach-title {
  font-size: 0.6rem; color: #888;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.gm-coach-commentary {
  font-size: 0.78rem; color: var(--text-secondary, #aaa); line-height: 1.4;
  font-style: italic; padding: 2px 0;
}
.gm-coach-commentary::before { content: '\201C'; }
.gm-coach-commentary::after { content: '\201D'; }
.gm-coach-actions {
  display: flex; align-items: center; gap: 6px; margin-top: 1px;
}
.gm-coach-hint-btn {
  font-size: 0.65rem; padding: 2px 8px;
  background: var(--btn-bg); color: var(--text-light);
  border: 1px solid var(--border-color); border-radius: 3px;
  cursor: pointer; white-space: nowrap;
}
.gm-coach-hint-btn:hover { background: var(--accent); color: #fff; }
.gm-coach-hint-result {
  font-size: 0.78rem; font-weight: 700; color: var(--accent);
}
.gm-coach-thinking .gm-coach-commentary {
  animation: gm-coach-pulse 1.4s ease-in-out infinite;
}
@keyframes gm-coach-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}
.gm-coach-chat { display: flex; flex-direction: column; gap: 4px; flex-shrink: 0; margin-top: auto; border-top: 1px solid var(--border-color); padding-top: 4px; }
.gm-coach-chat-messages {
  max-height: 80px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 3px;
}
.gm-coach-chat-msg {
  font-size: 0.72rem; line-height: 1.35;
  padding: 4px 6px; border-radius: 4px;
}
.gm-coach-chat-msg.user {
  background: var(--accent); color: #fff;
  align-self: flex-end; max-width: 80%; border-radius: 6px 6px 2px 6px;
}
.gm-coach-chat-msg.coach {
  background: var(--bg-color); color: var(--text-light);
  align-self: flex-start; max-width: 90%; border-radius: 6px 6px 6px 2px;
}
.gm-coach-chat-msg .gm-coach-chat-author {
  font-weight: 600; font-size: 0.72rem; margin-bottom: 2px;
  color: var(--accent);
}
.gm-coach-chat-input {
  display: flex; gap: 6px;
}
.gm-coach-chat-input input {
  flex: 1; min-width: 0;
  padding: 6px 10px; border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--input-bg, var(--bg-color));
  color: var(--text-light); font-size: 0.82rem;
}
.gm-coach-status {
  font-size: 0.72rem; color: #888; min-height: 1em;
}

/* === Progress Bar === */
.progress-bar {
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s;
  width: 0%;
}

.progress-text {
  font-size: 0.72rem;
  color: #888;
}

.analyze-group {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
}

.analyze-depth-select {
  font-size: 0.72rem;
  padding: 3px 4px;
  background: var(--btn-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
}

.analysis-progress {
  margin-top: 6px;
}

/* === Analysis Summary === */
.analysis-summary {
  background: var(--panel-bg);
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 0.78rem;
  flex-shrink: 0;
}

.analysis-summary h4 {
  color: var(--text-light);
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.analysis-accuracy {
  display: flex;
  justify-content: space-around;
  margin-bottom: 8px;
}

.accuracy-block {
  text-align: center;
}

.accuracy-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

.accuracy-label {
  font-size: 0.68rem;
  color: #888;
}

.analysis-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.analysis-count-item {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.72rem;
}

.analysis-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* === Move Classification Colors === */
.move-cell.move-best { color: #4caf50; }
.move-cell.move-great { color: #2196f3; }
.move-cell.move-good { color: #8bc34a; }
.move-cell.move-inaccuracy { color: #ffc107; }
.move-cell.move-mistake { color: #ff9800; }
.move-cell.move-blunder { color: #f44336; }

.move-cell.active.move-best,
.move-cell.active.move-great,
.move-cell.active.move-good,
.move-cell.active.move-inaccuracy,
.move-cell.active.move-mistake,
.move-cell.active.move-blunder {
  color: #fff;
}

/* === Move Analysis Tooltip === */
.move-tooltip {
  position: fixed;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.75rem;
  color: var(--text-color);
  z-index: 600;
  max-width: 250px;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

/* === Eval Graph === */
.eval-graph-container {
  height: 80px;
  border-radius: 4px;
  overflow: hidden;
}

.eval-graph-svg {
  display: block;
}

/* === Stats Dialog === */
.stats-content {
  font-size: 0.82rem;
}

.stats-record {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-color);
  border-radius: 6px;
}

.stats-record-item {
  text-align: center;
}

.stats-record-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-light);
}

.stats-record-label {
  font-size: 0.72rem;
  color: #888;
}

.stats-record-item.wins .stats-record-value { color: var(--accent); }
.stats-record-item.losses .stats-record-value { color: #c33; }
.stats-record-item.draws .stats-record-value { color: #c90; }

.stats-rating {
  text-align: center;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-color);
  border-radius: 6px;
}

.stats-rating-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stats-style {
  margin-bottom: 16px;
  padding: 10px 12px;
  background: var(--bg-color);
  border-radius: 6px;
}

.stats-style-name {
  color: var(--text-light);
  font-weight: 700;
  margin-bottom: 4px;
}

.stats-style-desc {
  color: #888;
  font-size: 0.78rem;
}

.stats-openings {
  margin-bottom: 16px;
}

.stats-openings h4 {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.stats-opening-item {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.78rem;
}

.stats-opening-name {
  color: var(--text-color);
}

.stats-opening-rate {
  color: var(--accent);
  font-weight: 600;
}

.stats-recent {
  margin-bottom: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.stats-recent h4 {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.stats-game-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.75rem;
  gap: 8px;
}

.stats-game-result {
  font-weight: 600;
}

.stats-game-result.win { color: var(--accent); }
.stats-game-result.loss { color: #c33; }
.stats-game-result.draw { color: #c90; }

/* === Player Profile === */
.profile-header {
  display: flex; gap: 16px; align-items: center;
  padding: 16px; background: var(--bg-color); border-radius: 8px;
  margin-bottom: 16px;
}
.profile-avatar-container { position: relative; }
.profile-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  border: 3px solid var(--accent); background: var(--btn-bg);
  object-fit: cover; display: block;
}
.profile-avatar-edit {
  position: absolute; bottom: -4px; right: -4px;
  font-size: 0.6rem; padding: 2px 6px; min-height: 0; min-width: 0;
}
.profile-info { flex: 1; }
.profile-name {
  font-size: 1.2rem; font-weight: 700; color: var(--text-light);
}
.profile-rating {
  margin-top: 4px; display: flex; flex-direction: column; gap: 1px;
}
.profile-overall-rating {
  font-size: 0.95rem; color: var(--accent); font-weight: 700;
}
.profile-rating-breakdown {
  font-size: 0.7rem; color: var(--text-color); opacity: 0.7; font-weight: 400;
}
.profile-record {
  font-size: 0.8rem; color: var(--text-color); margin-top: 2px;
}

.profile-section { margin-bottom: 16px; }
.profile-section h3 {
  font-size: 0.85rem; color: var(--text-color);
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;
}
#rating-graph-container {
  width: 100%; min-height: 160px;
  background: var(--bg-color); border-radius: 6px; overflow: hidden;
}
.rating-graph-svg { display: block; width: 100%; }
.rating-graph-empty {
  text-align: center; color: #666; padding: 40px 12px;
  font-size: 0.85rem;
}

.avatar-picker {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px;
  padding: 12px; background: var(--bg-color); border-radius: 8px;
  margin-bottom: 16px;
}
.avatar-option {
  width: 48px; height: 48px; border-radius: 50%;
  border: 2px solid transparent; background: var(--btn-bg);
  cursor: pointer; padding: 6px; transition: border-color 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.avatar-option:hover { border-color: var(--text-color); }
.avatar-option.selected { border-color: var(--accent); }
.avatar-option img { width: 100%; height: 100%; object-fit: cover; }

.stats-game-date {
  font-size: 0.75rem; color: #666; margin-left: 6px;
}
.stats-game-opening {
  font-size: 0.75rem; color: #888;
}
.stats-game-result-badge {
  display: inline-block; padding: 1px 6px; border-radius: 3px;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
}
.stats-game-result-badge.win { background: rgba(129,182,76,0.2); color: var(--accent); }
.stats-game-result-badge.loss { background: rgba(204,51,51,0.2); color: #c33; }
.stats-game-result-badge.draw { background: rgba(204,153,0,0.2); color: #c90; }

/* === Tournament === */
.tournament-content {
  font-size: 0.82rem;
}

.tournament-opponents {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 6px;
}

.tournament-opponent {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  cursor: pointer;
  border-radius: 3px;
}

.tournament-opponent:hover {
  background: var(--btn-bg);
}

.tournament-opponent input[type="checkbox"] {
  accent-color: var(--accent);
}

.tournament-opponent-name {
  flex: 1;
  color: var(--text-color);
  font-size: 0.82rem;
}

.tournament-opponent-elo {
  color: #888;
  font-size: 0.72rem;
}

/* Round-robin standings */
.tournament-standings {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  margin-bottom: 12px;
}

.tournament-standings th {
  background: var(--bg-color);
  color: var(--text-light);
  padding: 6px 8px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
}

.tournament-standings td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border-color);
}

.tournament-standings tr.player-row {
  background: rgba(129, 182, 76, 0.08);
}

.tournament-standings .points {
  font-weight: 700;
  color: var(--accent);
}

/* Knockout bracket */
.tournament-bracket {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 12px 0;
}

.bracket-round {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  min-width: 150px;
}

.bracket-round-title {
  text-align: center;
  font-size: 0.72rem;
  color: #888;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.bracket-match {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.bracket-player {
  padding: 4px 8px;
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.bracket-player:last-child {
  border-bottom: none;
}

.bracket-player.winner {
  color: var(--accent);
  font-weight: 600;
}

.bracket-player.loser {
  color: #666;
}

.tournament-status {
  text-align: center;
  padding: 12px;
  font-weight: 600;
  color: var(--accent);
  font-size: 0.9rem;
}

/* === Admin Panel === */
.admin-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 12px;
}

.admin-tab {
  flex: 1;
  padding: 8px 12px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-color);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}

.admin-tab:hover {
  color: var(--text-light);
}

.admin-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.admin-content {
  max-height: 400px;
  overflow-y: auto;
}

.admin-users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.admin-users-table th {
  background: var(--bg-color);
  color: var(--text-light);
  padding: 6px 8px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
}

.admin-users-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border-color);
}

.admin-user-row {
  cursor: pointer;
}

.admin-user-row:hover {
  background: var(--btn-bg);
}

.admin-rating {
  font-weight: 700;
  color: var(--accent);
}

.admin-user-detail h3 {
  color: var(--text-light);
  margin-bottom: 8px;
}

.admin-user-detail h4 {
  color: var(--text-light);
  font-size: 0.82rem;
  margin: 12px 0 6px;
}

.admin-detail-stats {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: #888;
  margin-bottom: 8px;
}

.admin-game-item {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.75rem;
}

/* === Auth === */
.auth-error {
  color: #c33;
  font-size: 0.78rem;
  padding: 4px 0;
}

.auth-desc {
  font-size: 0.8rem;
  color: #888;
  margin-bottom: 8px;
}

.auth-success {
  color: #3a9;
  font-size: 0.78rem;
  padding: 4px 0;
}

.auth-divider {
  text-align: center;
  margin: 14px 0 10px;
  position: relative;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-color);
}

.auth-divider span {
  position: relative;
  background: var(--panel-bg);
  padding: 0 10px;
  color: #666;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-magic-link {
  width: 100%;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: background 0.15s, color 0.15s;
}

.btn-magic-link:hover {
  background: var(--accent);
  color: #fff;
}

.auth-magic-status {
  font-size: 0.78rem;
  padding: 6px 0;
  text-align: center;
}

.auth-magic-status.success {
  color: var(--accent);
}

.auth-switch {
  text-align: center;
  font-size: 0.78rem;
  color: #888;
  margin-top: 12px;
}

.auth-switch a {
  color: var(--accent);
  text-decoration: none;
}

.auth-switch a:hover {
  text-decoration: underline;
}

.auth-status {
  font-size: 0.78rem;
  color: var(--accent);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Header user badge (always visible when logged in) */
.header-user-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 4px;
  border-radius: 20px;
  background: var(--bg-color);
  border: 1px solid var(--accent);
  cursor: pointer;
  max-width: 160px;
}
.header-user-badge:hover {
  background: var(--btn-hover);
}
.header-user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--btn-bg);
}
.header-user-name {
  font-size: 0.78rem;
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Profile account details */
.profile-account-details {
  padding: 12px 16px;
  background: var(--panel-bg);
  border-radius: 8px;
  margin-bottom: 16px;
}
.profile-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--text-color);
}
.profile-detail + .profile-detail {
  border-top: 1px solid var(--border-color);
}
.profile-detail-label {
  color: #888;
  font-size: 0.78rem;
}
.profile-online-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 4px;
}

.nav-separator {
  width: 1px;
  height: 20px;
  background: var(--border-color);
  margin: 0 4px;
}

#auth-dialog input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.85rem;
}

/* === Bot Match === */
.bot-match-picker {
  max-height: 180px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px;
}

.bot-match-picker .bot-list-card {
  padding: 4px 8px;
}

.bot-match-status {
  text-align: center;
  padding: 12px;
  font-size: 0.85rem;
  color: var(--text-color);
}

/* === Theme Settings === */
.theme-section {
  margin-bottom: 16px;
}

.theme-section h4 {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.board-theme-swatches {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.board-theme-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 6px;
  border: 2px solid transparent;
  border-radius: 6px;
  background: none;
  color: var(--text-color);
  transition: border-color 0.15s;
}

.board-theme-swatch:hover {
  border-color: var(--btn-hover);
}

.board-theme-swatch.active {
  border-color: var(--accent);
}

.swatch-preview {
  width: 48px;
  height: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  border-radius: 4px;
  overflow: hidden;
}

.swatch-label {
  font-size: 0.72rem;
  color: var(--text-color);
}

.piece-theme-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.piece-theme-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 6px 10px;
  border: 2px solid transparent;
  border-radius: 6px;
  background: none;
  color: var(--text-color);
  transition: border-color 0.15s;
}

.piece-theme-option:hover {
  border-color: var(--btn-hover);
}

.piece-theme-option.active {
  border-color: var(--accent);
}

.piece-preview {
  display: flex;
  gap: 2px;
}

/* === Clock Theme Picker === */
.clock-theme-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.clock-theme-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 6px 10px;
  border: 2px solid transparent;
  border-radius: 6px;
  background: none;
  color: var(--text-color);
  transition: border-color 0.15s;
}
.clock-theme-option:hover { border-color: var(--btn-hover); }
.clock-theme-option.active { border-color: var(--accent); }
.clock-preview {
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  min-width: 52px;
  text-align: center;
  line-height: 1.3;
}
.clock-theme-label {
  font-size: 0.68rem;
  color: var(--text-color);
}

/* === Clock Visual Themes === */

/* Default — current look */
body.clock-default .timer {}

/* LED — segmented DGT style */
body.clock-led .timer {
  font-family: 'Courier New', monospace;
  background: #111;
  color: #ff3333;
  text-shadow: 0 0 6px rgba(255,50,50,0.6);
  border: 1px solid #333;
  letter-spacing: 2px;
  border-radius: 3px;
}
body.clock-led .timer.active {
  color: #ff4444;
  background: #111;
  text-shadow: 0 0 10px rgba(255,50,50,0.8);
}
body.clock-led .timer.low {
  color: #ff2222;
  background: #1a0000;
  text-shadow: 0 0 12px rgba(255,0,0,0.9);
}

/* Neon — glowing cyan */
body.clock-neon .timer {
  font-family: 'Courier New', monospace;
  background: #0a0a1a;
  color: #0ff;
  text-shadow: 0 0 8px rgba(0,255,255,0.7), 0 0 16px rgba(0,255,255,0.3);
  border: 1px solid rgba(0,255,255,0.3);
  border-radius: 4px;
}
body.clock-neon .timer.active {
  background: #0a0a1a;
  color: #0ff;
  text-shadow: 0 0 12px rgba(0,255,255,0.9), 0 0 24px rgba(0,255,255,0.4);
  border-color: rgba(0,255,255,0.6);
}
body.clock-neon .timer.low {
  color: #f0f;
  background: #1a001a;
  text-shadow: 0 0 10px rgba(255,0,255,0.8);
  border-color: rgba(255,0,255,0.5);
}

/* Wooden — warm tournament feel */
body.clock-wood .timer {
  font-family: Georgia, 'Times New Roman', serif;
  background: #3d2b1f;
  color: #f0d9b5;
  border: 1px solid #5c3d2e;
  border-radius: 4px;
  text-shadow: 1px 1px 0 rgba(0,0,0,0.3);
}
body.clock-wood .timer.active {
  background: #4a3628;
  color: #fff3e0;
  border-color: #8b6914;
}
body.clock-wood .timer.low {
  background: #4a1a1a;
  color: #ffcccc;
  border-color: #993333;
}

/* Minimal — clean, no box */
body.clock-minimal .timer {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: none;
  color: #aaa;
  font-weight: 400;
  font-size: 1rem;
  padding: 2px 4px;
  border-radius: 0;
}
body.clock-minimal .timer.active {
  background: none;
  color: var(--accent);
  font-weight: 600;
}
body.clock-minimal .timer.low {
  background: none;
  color: #e55;
  font-weight: 600;
}

/* Bold — large and chunky */
body.clock-bold .timer {
  font-family: 'Arial Black', 'Impact', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  background: var(--btn-bg);
  padding: 4px 12px;
  border-radius: 6px;
  letter-spacing: 1px;
}
body.clock-bold .timer.active {
  background: var(--accent);
  color: #fff;
}
body.clock-bold .timer.low {
  background: #c33;
  color: #fff;
}

/* Tournament — FIDE green */
body.clock-tournament .timer {
  font-family: 'Courier New', monospace;
  background: #1a2e1a;
  color: #66ff66;
  border: 1px solid #336633;
  border-radius: 3px;
  letter-spacing: 1px;
}
body.clock-tournament .timer.active {
  background: #1a3a1a;
  color: #88ff88;
  border-color: #44aa44;
  text-shadow: 0 0 4px rgba(100,255,100,0.3);
}
body.clock-tournament .timer.low {
  background: #2e1a1a;
  color: #ff6666;
  border-color: #aa4444;
}

/* Gold — luxury, metallic */
body.clock-gold .timer {
  font-family: Georgia, 'Times New Roman', serif;
  background: linear-gradient(135deg, #2a2218, #3d3020);
  color: #d4a843;
  border: 1px solid #8b7332;
  border-radius: 4px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}
body.clock-gold .timer.active {
  background: linear-gradient(135deg, #3d3020, #4a3a28);
  color: #ffd700;
  border-color: #d4a843;
  text-shadow: 0 0 6px rgba(255,215,0,0.3);
}
body.clock-gold .timer.low {
  background: linear-gradient(135deg, #3d2020, #4a2828);
  color: #ff6666;
  border-color: #aa4444;
}

/* Hacker — matrix green on black */
body.clock-hacker .timer {
  font-family: 'Courier New', monospace;
  background: #000;
  color: #00ff41;
  border: 1px solid #003b00;
  border-radius: 2px;
  letter-spacing: 3px;
  text-shadow: 0 0 5px rgba(0,255,65,0.5);
}
body.clock-hacker .timer.active {
  background: #000;
  color: #00ff41;
  text-shadow: 0 0 10px rgba(0,255,65,0.7);
  border-color: #00ff41;
}
body.clock-hacker .timer.low {
  color: #ff0000;
  background: #000;
  text-shadow: 0 0 8px rgba(255,0,0,0.6);
  border-color: #550000;
}

/* === Picker Scroll Wrapper === */
.picker-scroll {
  max-height: 240px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 6px;
  padding-bottom: 4px;
}

/* === Floating Clock === */

body.floating-clock-active .timer-group .timer,
body.floating-clock-active .timer-group .move-clock {
  visibility: hidden;
}

.floating-clock {
  position: absolute;
  z-index: 50;
  cursor: grab;
  left: 50%;
  transform: translateX(-50%);
  bottom: -60px;
  touch-action: none;
  user-select: none;
}

.fc-housing {
  display: flex;
  align-items: stretch;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  overflow: hidden;
  min-width: 220px;
}

.fc-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  min-width: 90px;
  transition: background 0.2s;
}

.fc-time {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.2;
}

.fc-move-time {
  font-size: 0.65rem;
  opacity: 0.6;
  min-height: 14px;
}

.fc-divider {
  width: 1px;
  background: rgba(255,255,255,0.15);
}

.fc-labels {
  display: flex;
  justify-content: space-between;
  position: absolute;
  bottom: -18px;
  left: 0;
  right: 0;
  padding: 0 12px;
}

.fc-label {
  font-size: 0.6rem;
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.fc-badge {
  position: absolute;
  top: 2px;
  right: 3px;
  font-size: 0.55rem;
  opacity: 0.7;
}

/* Classic — dark wood housing, cream serif digits */
body.clock-classic .fc-housing {
  background: linear-gradient(145deg, #4a3728, #2e1e14);
  border: 1px solid #5a4a3a;
}
body.clock-classic .fc-display { color: #f5f0e1; }
body.clock-classic .fc-time { font-family: Georgia, serif; }
body.clock-classic .fc-display.active { background: rgba(245,240,225,0.1); }
body.clock-classic .fc-display.low { background: rgba(200,50,50,0.25); }
body.clock-classic .fc-display.low .fc-time { color: #ff6b6b; }
body.clock-classic .fc-divider { background: #5a4a3a; }

/* DGT — black plastic, red LED segments */
body.clock-dgt .fc-housing {
  background: linear-gradient(145deg, #222, #111);
  border: 1px solid #333;
  border-radius: 6px;
}
body.clock-dgt .fc-display { color: #ff3333; }
body.clock-dgt .fc-time {
  font-family: 'Courier New', monospace;
  letter-spacing: 3px;
  text-shadow: 0 0 8px rgba(255,51,51,0.5);
}
body.clock-dgt .fc-display.active {
  background: rgba(255,51,51,0.08);
}
body.clock-dgt .fc-display.active .fc-time {
  text-shadow: 0 0 12px rgba(255,51,51,0.8);
}
body.clock-dgt .fc-display.low .fc-time {
  animation: dgt-blink 0.6s infinite;
}
@keyframes dgt-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
body.clock-dgt .fc-divider { background: #333; }

/* Retro — beige rounded housing, LCD green-black */
body.clock-retro .fc-housing {
  background: linear-gradient(145deg, #d4ccb4, #b8b0a0);
  border: 1px solid #a09888;
  border-radius: 12px;
}
body.clock-retro .fc-display { color: #1a2e1a; }
body.clock-retro .fc-time {
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
  background: rgba(180,200,160,0.3);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid rgba(0,0,0,0.1);
}
body.clock-retro .fc-display.active { background: rgba(100,140,80,0.15); }
body.clock-retro .fc-display.low .fc-time { color: #993333; }
body.clock-retro .fc-divider { background: #a09888; }
body.clock-retro .fc-label { color: #555; }
body.clock-retro .fc-move-time { color: #555; }

/* Modern — gunmetal housing, white OLED-style */
body.clock-modern .fc-housing {
  background: linear-gradient(145deg, #3a3a40, #222228);
  border: 1px solid #4a4a52;
  border-radius: 10px;
}
body.clock-modern .fc-display { color: #fff; }
body.clock-modern .fc-time {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  letter-spacing: 3px;
  font-size: 1.6rem;
}
body.clock-modern .fc-display.active {
  background: rgba(255,255,255,0.06);
}
body.clock-modern .fc-display.active .fc-time {
  font-weight: 500;
}
body.clock-modern .fc-display.low .fc-time {
  color: #ff5555;
}
body.clock-modern .fc-divider { background: #4a4a52; }

/* === Clock Window (free layout) === */
.clock-window {
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: 0;
  background: linear-gradient(145deg, rgba(40,38,35,0.98), rgba(28,26,24,0.98));
  border-radius: 0;
  overflow: hidden;
}

.cw-display {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  transition: background 0.2s;
}

.cw-display.active {
  background: rgba(201,168,76,0.1);
}
.cw-display.active .cw-time {
  color: var(--accent, #c9a84c);
}
.cw-display.low {
  background: rgba(200,50,50,0.15);
}
.cw-display.low .cw-time {
  color: #ff6b6b;
}

.cw-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.5;
  margin-bottom: 2px;
}

.cw-time {
  font-family: 'Courier New', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.2;
  color: var(--text-light);
}

.cw-move-time {
  font-size: 0.6rem;
  opacity: 0.5;
  min-height: 12px;
}

.cw-divider {
  width: 1px;
  background: rgba(255,255,255,0.1);
  align-self: stretch;
}

.piece-preview img {
  width: 28px;
  height: 28px;
}

.piece-theme-label {
  font-size: 0.72rem;
}

/* === Force Move Button === */
.btn-force {
  background: #c33;
  color: #fff;
  border-color: #c33;
  animation: pulse-force 1.5s infinite;
}

.btn-force:hover {
  background: #d44;
}

@keyframes pulse-force {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* === Multi-Bot Analysis === */
.multi-analysis-desc {
  font-size: 0.78rem;
  color: #888;
  margin-bottom: 12px;
}

.multi-analysis-bots {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 6px;
}

.multi-analysis-bots label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.78rem;
  width: calc(50% - 3px);
}

.multi-analysis-bots label:hover {
  background: var(--btn-bg);
}

.multi-analysis-bots input[type="checkbox"] {
  accent-color: var(--accent);
}

.multi-analysis-bot-name {
  color: var(--text-light);
  font-weight: 600;
}

.multi-analysis-bot-elo {
  color: #888;
  font-size: 0.68rem;
  margin-left: auto;
}

.multi-analysis-results {
  margin-top: 16px;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.multi-analysis-line {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.82rem;
}

.multi-analysis-line:last-child {
  border-bottom: none;
}

.multi-analysis-portrait {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--btn-bg);
  object-fit: cover;
}

.multi-analysis-bot-info {
  min-width: 100px;
}

.multi-analysis-bot-info .bot-name {
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.82rem;
}

.multi-analysis-bot-info .bot-elo {
  color: #888;
  font-size: 0.68rem;
}

.multi-analysis-move {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
  min-width: 50px;
}

.multi-analysis-eval {
  font-size: 0.78rem;
  color: var(--text-color);
  min-width: 60px;
}

.multi-analysis-pv {
  font-size: 0.72rem;
  color: #888;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.multi-analysis-thinking {
  text-align: center;
  padding: 16px;
  color: #888;
  font-size: 0.82rem;
}

/* === Hamburger Menu === */
.nav-menu-toggle {
  display: flex;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.menu-icon {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-color);
  position: relative;
  transition: background 0.2s;
}

.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--text-color);
  left: 0;
  transition: transform 0.2s;
}

.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }

.nav-menu-toggle.open .menu-icon {
  background: transparent;
}

.nav-menu-toggle.open .menu-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-menu-toggle.open .menu-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

.nav-menu-backdrop {
  display: none;
}

.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  width: 220px;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px;
  z-index: 10001;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.nav-menu.open {
  display: flex;
}

.nav-menu-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.nav-menu-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.nav-menu-version {
  text-align: center;
  font-size: 0.6rem;
  color: #555;
  padding: 8px 0 4px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
}
.nav-menu-label {
  display: block;
  width: 100%;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #666;
  padding: 2px 4px;
}

.nav-menu-section .btn {
  width: 100%;
  text-align: left;
  padding: 6px 10px;
  font-size: 0.85rem;
  min-width: 0;
  border: none;
  border-radius: 4px;
}

.nav-menu-section .btn:hover {
  background: var(--btn-hover);
}

.nav-menu-section .dropdown {
  width: 100%;
}

.nav-menu-section .dropdown .btn {
  width: 100%;
}

/* === Puzzle Mode === */
.puzzle-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--panel-bg);
  border-radius: 6px;
  box-sizing: border-box;
  border: 1px solid var(--border-color);
  margin-top: 4px;
}

.puzzle-info {
  display: flex;
  gap: 10px;
  align-items: center;
}

.puzzle-controls {
  display: flex;
  gap: 6px;
}

/* === Mini Music Player === */

.mini-music {
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border-radius: 4px;
  border: 1px solid var(--border-color);
  box-sizing: border-box;
  height: 40px;
  min-height: 40px;
  overflow: hidden;
}
.mini-music-compact {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  height: 40px;
  min-height: 40px;
  flex-shrink: 0;
  box-sizing: border-box;
}

.mini-music-btn {
  background: none;
  border: none;
  color: var(--text-color, #ccc);
  font-size: 0.7rem;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  opacity: 0.8;
}

.mini-music-btn:hover {
  opacity: 1;
  color: var(--accent, #4ecdc4);
}

.mini-music-play {
  font-size: 0.85rem;
}

.mini-music-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.mini-music-title {
  display: block;
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-color, #ddd);
}

.mini-music-composer {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted, #888);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-music-shuffle-btn {
  font-size: 0.85rem !important;
  opacity: 0.5;
  padding: 2px 5px;
}
.mini-music-shuffle-btn:hover {
  opacity: 1;
}
.mini-music-shuffle-btn.active {
  opacity: 1;
  color: var(--accent, #4ecdc4);
}

.mini-music-composers-btn {
  font-size: 0.9rem !important;
  opacity: 0.7;
  padding: 2px 6px;
}
.mini-music-composers-btn:hover {
  opacity: 1;
  color: var(--accent, #4ecdc4);
}

.mini-music-vol {
  width: 50px;
  height: 3px;
  accent-color: var(--accent, #4ecdc4);
}

/* Expanded music player content (visible when resized taller) */
.mini-music-expanded {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px 8px 6px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}
.mini-music-progress-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.mini-music-time {
  font-size: 0.68rem;
  color: #888;
  min-width: 28px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.mini-music-seek {
  flex: 1;
  height: 3px;
  accent-color: var(--accent, #4ecdc4);
}
.mini-music-detail {
  display: flex;
  gap: 10px;
  flex: 1;
  min-height: 0;
}
.mini-music-portrait {
  width: 60px;
  height: 60px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--btn-bg);
  border: 1px solid rgba(255,255,255,0.06);
}
.mini-music-tracklist {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mini-music-track-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  font-size: 0.72rem;
  color: #999;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.mini-music-track-item:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-light);
}
.mini-music-track-item.active {
  color: var(--accent, #4ecdc4);
  background: rgba(78, 205, 196, 0.08);
}
.mini-music-track-num {
  min-width: 16px;
  text-align: center;
  font-size: 0.65rem;
  color: #555;
  flex-shrink: 0;
}
.mini-music-track-item.active .mini-music-track-num {
  color: var(--accent, #4ecdc4);
}
.mini-music-track-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mini-music-track-dur {
  color: #555;
  font-size: 0.63rem;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* Panel coach area (below music player in Moves tab) */
.panel-coach-area {
  padding: 6px 8px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
}
.panel-coach-area.hidden { display: none; }
.panel-coach-area:empty { display: none; }
.panel-coach-card {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.panel-coach-portrait {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--accent, #b58863);
  flex-shrink: 0;
  object-fit: cover;
}
.panel-coach-bubble {
  flex: 1;
  min-width: 0;
}
.panel-coach-name {
  display: block;
  font-weight: 600;
  color: var(--accent, #b58863);
  font-size: 0.65rem;
  margin-bottom: 1px;
}
.panel-coach-text {
  font-size: 0.72rem;
  color: var(--text-color);
  line-height: 1.35;
}

.puzzle-rating-badge {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.puzzle-theme-badge {
  color: var(--text-color);
  font-size: 0.8rem;
  text-transform: capitalize;
}

.puzzle-streak {
  font-size: 0.8rem;
  color: var(--text-color);
}

.puzzle-stats-summary {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  font-size: 0.85rem;
  color: var(--text-color);
  flex-wrap: wrap;
}

.puzzle-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.puzzle-stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
}

.puzzle-stat-label {
  font-size: 0.7rem;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Puzzle square highlights */
.square.puzzle-correct {
  animation: puzzleCorrect 0.6s ease;
}

.square.puzzle-wrong {
  animation: puzzleWrong 0.6s ease;
}

.square.puzzle-hint {
  box-shadow: inset 0 0 0 3px var(--accent);
}

@keyframes puzzleCorrect {
  0%, 100% { background: inherit; }
  50% { background: rgba(76, 175, 80, 0.6); }
}

@keyframes puzzleWrong {
  0%, 100% { background: inherit; }
  25%, 75% { background: rgba(244, 67, 54, 0.5); }
}

/* === Endgame Trainer === */
.endgame-stats-summary {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  font-size: 0.85rem;
  color: var(--text-color);
  flex-wrap: wrap;
}

.endgame-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.endgame-stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
}

.endgame-stat-label {
  font-size: 0.7rem;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.endgame-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  padding: 8px 0;
}

.endgame-category-card {
  background: var(--btn-bg);
  border-radius: 8px;
  padding: 16px;
  cursor: pointer;
  transition: background 0.2s;
  border: 1px solid var(--border-color);
}

.endgame-category-card:hover {
  background: var(--btn-hover);
}

.endgame-category-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 4px;
}

.endgame-category-count {
  font-size: 0.8rem;
  color: var(--text-color);
  margin-bottom: 8px;
}

.endgame-progress-bar {
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}

.endgame-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s;
}

.endgame-positions h3 {
  margin: 8px 0;
  font-size: 1rem;
  color: var(--text-light);
}

.endgame-position-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 400px;
  overflow-y: auto;
  padding: 4px 0;
}

.endgame-position-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--btn-bg);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.endgame-position-item:hover {
  background: var(--btn-hover);
}

.endgame-position-item.solved {
  border-left: 3px solid var(--accent);
}

.endgame-position-info {
  flex: 1;
  min-width: 0;
}

.endgame-position-title {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.9rem;
}

.endgame-position-desc {
  font-size: 0.75rem;
  color: var(--text-color);
  margin-top: 2px;
}

.endgame-difficulty {
  display: flex;
  gap: 2px;
  margin-left: auto;
  flex-shrink: 0;
}

.endgame-difficulty-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
}

.endgame-difficulty-dot.filled {
  background: var(--accent);
}

.endgame-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--panel-bg);
  border-radius: 6px;
  border: 1px solid var(--border-color);
  box-sizing: border-box;
  margin-top: 4px;
}

.endgame-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.endgame-rating-badge {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.endgame-title-badge {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-light);
}

.endgame-objective {
  font-size: 0.75rem;
  color: var(--accent);
}

.endgame-controls {
  display: flex;
  gap: 6px;
}

.endgame-result {
  text-align: center;
  padding: 8px;
  border-radius: 4px;
  font-weight: 700;
  animation: fadeIn 0.3s;
}

.endgame-result.success {
  background: rgba(76, 175, 80, 0.2);
  color: #4caf50;
}

.endgame-result.fail {
  background: rgba(244, 67, 54, 0.2);
  color: #f44336;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Dialog select styling */
.dialog-select {
  width: 100%;
  padding: 8px 12px;
  background: var(--btn-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}

.dialog-select:focus {
  outline: none;
  border-color: var(--accent);
}

/* === Settings Dialog === */
#settings-dialog.dialog-overlay {
  justify-content: flex-end;
  align-items: stretch;
  background: rgba(0, 0, 0, 0.5);
}

#settings-dialog .dialog {
  width: 340px;
  max-width: 85vw;
  min-width: unset;
  max-height: none;
  height: 100vh;
  height: 100dvh;
  border-radius: 0;
  border-right: none;
  overflow-y: auto;
  animation: settings-slide-in 0.2s ease-out;
}

@keyframes settings-slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.settings-section {
  margin-bottom: 18px;
}

/* Composer picker — stacked layout: compact grid on top, detail below */
.composer-picker-layout {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.composer-picker-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.composer-picker-detail {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  min-height: 0;
}
/* Era separator — inline label */
.composer-era-sep {
  font-size: 0.5rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 4px;
  white-space: nowrap;
}
/* Compact composer chip */
.composer-chip {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 2px 6px 2px 2px;
  border-radius: 14px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background 0.15s, border-color 0.15s;
  font-size: 0.6rem;
  white-space: nowrap;
}
.composer-chip:hover {
  background: var(--btn-bg);
}
.composer-chip.selected {
  border-color: var(--accent);
  background: rgba(129, 182, 76, 0.12);
}
.composer-chip-portrait {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--btn-bg);
  object-fit: cover;
}
.composer-chip-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--btn-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--accent);
}
.composer-chip-name {
  line-height: 1;
}
/* Composer detail panel */
.composer-detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.composer-portrait-lg {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  flex-shrink: 0;
  background: var(--btn-bg);
  object-fit: cover;
}
.composer-detail-all-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  flex-shrink: 0;
  background: var(--btn-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
}
.composer-detail-name {
  color: var(--text-light);
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 1px;
}
.composer-detail-era {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.composer-detail-dates {
  font-size: 0.72rem;
  color: #888;
  margin-top: 2px;
}
.composer-detail-subtitle {
  color: #888;
  font-size: 0.78rem;
}
.composer-detail-info {
  flex: 1;
  min-width: 0;
}
.composer-detail-bio {
  font-size: 0.75rem;
  color: var(--text-color);
  line-height: 1.35;
  margin-bottom: 8px;
}
.composer-detail-style {
  font-size: 0.75rem;
  color: var(--text-secondary, #aaa);
  line-height: 1.35;
}
.composer-detail-section {
  margin-bottom: 8px;
}
.composer-detail-section h4 {
  color: var(--text-light);
  font-size: 0.7rem;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.composer-detail-fav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.composer-detail-fav-row h4 {
  margin-bottom: 0;
}
.composer-key-works {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.composer-key-work {
  display: inline-block;
  padding: 2px 8px;
  background: var(--btn-bg);
  border-radius: 10px;
  font-size: 0.7rem;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}
/* Track list in composer detail */
.composer-track-list {
  max-height: 160px;
  overflow-y: auto;
}
.composer-track {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s;
}
.composer-track:hover {
  background: var(--btn-bg);
}
.composer-track.active {
  background: rgba(129, 182, 76, 0.15);
}
.composer-track.active .composer-track-title {
  color: var(--accent);
  font-weight: 600;
}
.composer-track-play {
  width: 20px;
  flex-shrink: 0;
  color: var(--text-secondary, #888);
  font-size: 0.7rem;
  text-align: center;
}
.composer-track.active .composer-track-play {
  color: var(--accent);
}
.composer-track-info {
  flex: 1;
  min-width: 0;
}
.composer-track-title {
  font-size: 0.78rem;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.composer-track-composer {
  font-size: 0.65rem;
  color: #888;
}
.composer-track-dur {
  font-size: 0.65rem;
  color: #888;
  flex-shrink: 0;
}

.settings-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-color);
}

.settings-toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.settings-toggle-row:last-child {
  border-bottom: none;
}

.settings-btn-row {
  cursor: default;
}

.settings-subsection {
  margin-bottom: 12px;
}

.settings-sublabel {
  display: block;
  font-size: 0.82rem;
  color: var(--text-color);
  margin-bottom: 6px;
}

.settings-volume-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
}

.settings-volume-control {
  display: flex;
  align-items: center;
  gap: 4px;
}

.settings-volume-control .music-volume-slider {
  width: 100px;
}

/* === Multiplayer === */
.mp-divider {
  text-align: center;
  color: #666;
  margin: 16px 0;
  font-size: 0.8rem;
}

.mp-code-display {
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: 0.3em;
  text-align: center;
  color: var(--accent);
  padding: 16px;
  background: #1a1a1a;
  border-radius: 8px;
  margin: 12px 0;
  font-family: monospace;
}

.mp-code-hint {
  text-align: center;
  color: #888;
  font-size: 0.8rem;
}

#mp-join-code {
  text-align: center;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.mp-opponent-status {
  font-size: 0.75rem;
  color: #81b64c;
  margin-left: 8px;
}

.mp-opponent-status.disconnected {
  color: #f44336;
}

#btn-resign-mp,
#btn-draw-mp {
  margin-left: 4px;
}

/* === DGT Board === */
.dgt-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  font-size: 0.82rem;
  color: var(--text-color);
}

.dgt-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #666;
  flex-shrink: 0;
}

.dgt-status-dot.connected {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.dgt-connect-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0;
}

.dgt-connect-btn {
  display: block;
  width: 100%;
  padding: 12px 14px;
  background: var(--btn-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}

.dgt-connect-btn:hover {
  border-color: var(--accent);
  background: var(--btn-hover);
}

.dgt-connect-title {
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 2px;
}

.dgt-connect-desc {
  color: #888;
  font-size: 0.72rem;
}

.app-version {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted, #666);
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--border-color, #333);
}

.dgt-connected-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.dgt-connected-actions .btn {
  flex: 1;
}

.dgt-hardware-settings {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--bg-dark, #1a1a2e);
  border-radius: 6px;
}

.dgt-hw-title {
  font-size: 0.82rem;
  color: var(--text-muted, #888);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dgt-hw-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 0.85rem;
}

.dgt-hw-label {
  min-width: 80px;
  color: var(--text-secondary, #aaa);
}

.dgt-hw-row input[type="range"] {
  flex: 1;
  height: 4px;
  accent-color: var(--accent, #4ecdc4);
}

.dgt-hw-value {
  min-width: 30px;
  text-align: right;
  font-family: var(--font-mono, monospace);
  font-size: 0.82rem;
  color: var(--accent, #4ecdc4);
}

.dgt-hw-select,
.dgt-hw-input {
  flex: 1;
  background: var(--bg-lighter, #2a2a4a);
  color: var(--text-color, #ddd);
  border: 1px solid var(--border-color, #444);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 0.82rem;
}

#dgt-reset-defaults {
  margin-top: 8px;
  font-size: 0.78rem;
}

.dgt-engine-move {
  margin: 12px 0;
  padding: 10px 14px;
  border: 2px solid var(--accent);
  border-radius: 6px;
  background: rgba(129, 182, 76, 0.08);
  text-align: center;
}

.dgt-engine-move-label {
  font-size: 0.78rem;
  color: var(--text-color);
  margin-bottom: 4px;
}

.dgt-engine-move-san {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  font-family: 'Courier New', monospace;
}

.dgt-board-status {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
}

/* === ChessUp Board === */
.cu-hardware-settings { margin-top:12px; padding:10px 12px; background:var(--bg-dark,#1a1a2e); border-radius:6px; }
.cu-services-panel { margin-top:8px; padding:8px; background:var(--bg-darker,#111); border-radius:4px; border:1px solid var(--border-color,#444); max-height:200px; overflow-y:auto; }
.cu-services-output { font-family:var(--font-mono,monospace); font-size:0.72rem; color:var(--text-secondary,#aaa); white-space:pre-wrap; margin:0; }

/* === Training Plan === */
.tp-summary {
  padding: 12px 14px;
  background: var(--bg-dark, #1a1a2e);
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--text-light, #e0e0e0);
  line-height: 1.5;
}
.tp-focus-areas {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}
.tp-focus-card {
  background: var(--panel-bg, #2a2a3e);
  border: 1px solid var(--border-color, #444);
  border-radius: 8px;
  padding: 14px;
}
.tp-focus-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.tp-focus-icon {
  font-size: 1.3rem;
  width: 28px;
  text-align: center;
}
.tp-focus-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-light, #fff);
}
.tp-focus-desc {
  font-size: 0.82rem;
  color: var(--text-secondary, #aaa);
  margin-bottom: 8px;
  line-height: 1.4;
}
.tp-focus-recs {
  list-style: none;
  padding: 0;
  margin: 0 0 10px;
}
.tp-focus-recs li {
  font-size: 0.8rem;
  color: var(--text-color, #ccc);
  padding: 2px 0 2px 16px;
  position: relative;
}
.tp-focus-recs li::before {
  content: '\2022';
  position: absolute;
  left: 4px;
  color: var(--accent, #7b61ff);
}
.tp-focus-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tp-action-btn {
  padding: 5px 12px;
  font-size: 0.78rem;
  border-radius: 4px;
  border: 1px solid var(--accent, #7b61ff);
  background: transparent;
  color: var(--accent, #7b61ff);
  cursor: pointer;
  transition: background 0.2s;
}
.tp-action-btn:hover {
  background: var(--accent, #7b61ff);
  color: #fff;
}
.tp-weekly {
  background: var(--bg-dark, #1a1a2e);
  border-radius: 8px;
  padding: 14px;
}
.tp-weekly h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--text-light, #fff);
}
.tp-day {
  display: flex;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-color, #333);
  font-size: 0.82rem;
}
.tp-day:last-child { border-bottom: none; }
.tp-day-name {
  width: 80px;
  font-weight: 600;
  color: var(--text-light, #e0e0e0);
  flex-shrink: 0;
}
.tp-day-activities {
  color: var(--text-color, #ccc);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tp-day-activity {
  cursor: pointer;
}
.tp-day-activity:hover {
  color: var(--accent, #7b61ff);
}
.tp-no-data {
  text-align: center;
  color: var(--text-secondary, #888);
  padding: 30px 20px;
  font-size: 0.9rem;
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--btn-bg);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--btn-hover);
}

/* === Game Review Dialog === */
.review-dialog {
  max-height: 85dvh;
  overflow-y: auto;
}
.review-header {
  text-align: center;
  margin-bottom: 16px;
}
.review-result-icon {
  font-size: 2.5rem;
  margin-bottom: 4px;
  line-height: 1;
}
.review-header h2 { margin-bottom: 4px; }
.review-result-detail {
  color: #888;
  font-size: 0.8rem;
}

.review-accuracy {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 16px; padding: 12px;
  background: rgba(255,255,255,0.03); border-radius: 6px;
}
.review-accuracy-player {
  display: flex; align-items: center; gap: 10px;
}
.review-accuracy-label {
  width: 60px; font-size: 0.78rem; color: var(--text-color); flex-shrink: 0;
}
.review-accuracy-bar-container {
  flex: 1; height: 20px;
  background: rgba(255,255,255,0.05); border-radius: 3px; overflow: hidden;
}
.review-accuracy-bar {
  height: 100%; background: var(--accent); border-radius: 3px;
  transition: width 0.8s ease; width: 0%;
}
.review-accuracy-bar-black { background: #bbb; }
.review-accuracy-pct {
  width: 48px; text-align: right;
  font-size: 1rem; font-weight: 700; color: var(--accent);
}

.review-breakdown { margin-bottom: 16px; }
.review-breakdown h3 {
  font-size: 0.78rem; color: var(--text-light); margin-bottom: 8px;
}
.review-breakdown-row {
  display: flex; align-items: center; gap: 8px; margin-bottom: 6px;
}
.review-breakdown-label {
  width: 48px; font-size: 0.72rem; color: var(--text-color); flex-shrink: 0;
}
.review-stacked-bar {
  flex: 1; height: 16px; display: flex;
  border-radius: 3px; overflow: hidden;
  background: rgba(255,255,255,0.03);
}
.review-stacked-segment {
  height: 100%; min-width: 0;
  transition: width 0.4s ease;
  position: relative;
}
.review-stacked-segment:hover::after {
  content: attr(data-tooltip);
  position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  background: var(--panel-bg); border: 1px solid var(--border-color);
  color: var(--text-color); font-size: 0.68rem; padding: 2px 6px;
  border-radius: 3px; white-space: nowrap; z-index: 10;
}
.review-breakdown-legend {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 8px; justify-content: center;
}
.review-legend-item {
  display: flex; align-items: center; gap: 4px;
  font-size: 0.7rem; color: var(--text-color);
}
.review-legend-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}

.review-critical { margin-bottom: 12px; }
.review-critical h3 {
  font-size: 0.85rem; color: var(--text-light); margin-bottom: 8px;
}
.review-moments-list {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 240px; overflow-y: auto;
}
.review-moment-card {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; background: rgba(255,255,255,0.03);
  border-radius: 6px; border-left: 3px solid #888;
  cursor: pointer; transition: background 0.15s;
}
.review-moment-card:hover { background: rgba(255,255,255,0.07); }
.review-moment-number {
  font-size: 0.72rem; color: #888; min-width: 30px;
}
.review-moment-badge {
  font-size: 0.65rem; font-weight: 700;
  padding: 2px 8px; border-radius: 10px;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: #fff; flex-shrink: 0;
}
.review-moment-detail { flex: 1; min-width: 0; }
.review-moment-played {
  font-size: 0.8rem; color: var(--text-light);
}
.review-moment-best {
  font-size: 0.7rem; color: #888;
}
.review-moment-cploss {
  font-size: 0.72rem; color: #888; text-align: right; flex-shrink: 0;
}
.review-no-moments {
  text-align: center; color: #888; font-size: 0.8rem; padding: 16px 0;
}

/* === Layout Editor === */
.layout-hidden {
  display: none !important;
}

.layout-dialog-desc {
  font-size: 0.82rem;
  color: #888;
  margin-bottom: 16px;
  line-height: 1.4;
}

.layout-section {
  margin-bottom: 18px;
}

.layout-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-color);
}

.layout-toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.layout-toggle-row:last-child {
  border-bottom: none;
}

.layout-toggle-label {
  font-size: 0.87rem;
  color: var(--text-color);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border-color);
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(16px);
}

/* === Drag & Drop Layout Reorder === */

/* Wrapper invisible in normal mode */
.drag-group { display: contents; }


/* Panel vertical offset handle */
.panel-offset-handle {
  height: 10px;
  cursor: row-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s;
}
.panel-offset-handle:hover {
  background: rgba(181,136,99,0.12);
}
.panel-offset-grip {
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: #444;
  transition: background 0.15s;
}
.panel-offset-handle:hover .panel-offset-grip {
  background: var(--accent, #b58863);
}
.panel-offset-spacer {
  flex-shrink: 0;
}

/* === Resize Handles === */
.resize-handle-v {
  width: 12px;
  cursor: col-resize;
  background: transparent;
  position: relative;
  flex-shrink: 0;
  align-self: stretch;
  min-height: var(--panel-height, 300px);
  z-index: 5;
  transition: background 0.15s;
}

.resize-handle-v:hover,
.resize-handle-v.active {
  background: rgba(129,182,76,0.25);
}

.resize-handle-v::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 4px;
  height: 40px;
  background: var(--border-color);
  border-radius: 2px;
  box-shadow: 0 0 0 2px rgba(0,0,0,0.15);
}

.resize-handle-v:hover::after,
.resize-handle-v.active::after {
  background: var(--accent);
  box-shadow: 0 0 4px rgba(129,182,76,0.4);
}

.resize-handle-h {
  height: 14px;
  cursor: row-resize;
  background: rgba(255,255,255,0.02);
  position: relative;
  flex-shrink: 0;
  z-index: 5;
  transition: background 0.15s;
}

.resize-handle-h:hover,
.resize-handle-h.active {
  background: rgba(129,182,76,0.15);
}

.resize-handle-h::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 4px;
  background: #555;
  border-radius: 2px;
  box-shadow: 0 0 0 2px rgba(0,0,0,0.15);
}

.resize-handle-h:hover::after,
.resize-handle-h.active::after {
  background: var(--accent);
  box-shadow: 0 0 4px rgba(129,182,76,0.4);
}

/* Triple-dot grip pattern */
.resize-handle-h::before {
  content: '\00B7\00B7\00B7';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
  letter-spacing: 4px;
  color: #555;
  pointer-events: none;
  z-index: 1;
}

.resize-handle-h:hover::before {
  color: var(--accent);
}

.resize-handle-v::before {
  content: '\22EE';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
  color: #555;
  pointer-events: none;
  z-index: 1;
}

.resize-handle-v:hover::before {
  color: var(--accent);
}

/* When resizing, prevent text selection */
body.resizing {
  user-select: none;
  -webkit-user-select: none;
  cursor: col-resize;
}

body.resizing-h {
  cursor: ns-resize !important;
}

/* === Block Edge-Resize indicator === */
.block-resizing {
  outline: 1px solid rgba(129,182,76,0.3);
  outline-offset: -1px;
}

body.resizing-v {
  cursor: col-resize;
}

body.resizing-h {
  cursor: row-resize;
}

/* === Responsive === */
@media (max-width: 768px) {
  :root {
    --board-size: min(92vw, calc(100dvh - 210px), 480px);
  }

  main {
    flex-direction: column;
    align-items: center;
    padding: 4px;
    padding-bottom: 54px; /* space for fixed mobile nav */
    gap: 4px;
    min-height: auto;
    height: calc(100dvh - 50px);
    overflow: hidden;
  }

  /* --- Header user badge: avatar only on mobile --- */
  .header-user-badge {
    padding: 4px;
    max-width: 36px;
  }
  .header-user-name {
    display: none;
  }

  /* --- Hamburger dropdown mobile tweaks --- */
  header {
    padding: 6px 10px;
    padding-left: max(10px, env(safe-area-inset-left));
    padding-right: max(10px, env(safe-area-inset-right));
  }

  header h1 {
    font-size: 1.1rem;
  }

  nav {
    gap: 4px;
  }

  .nav-menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
  }
  .nav-menu-backdrop.open {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    width: auto;
    max-height: calc(100vh - 56px);
    border-radius: 0;
    border-left: none;
    border-right: none;
    z-index: 10001;
  }

  .nav-menu-section {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
  }

  .nav-menu-section .btn {
    flex: 1 1 auto;
    min-width: 100px;
    text-align: center;
  }

  .nav-menu-label {
    color: var(--accent);
    margin-bottom: 2px;
    width: 100%;
  }

  /* --- Touch-friendly sizing --- */
  .btn {
    min-height: 44px;
    min-width: 44px;
    padding: 8px 12px;
    font-size: 0.82rem;
  }

  .btn-sm {
    min-height: 40px;
    padding: 6px 10px;
  }

  .dialog-actions .btn {
    min-height: 48px;
    padding: 10px 16px;
  }

  .nav-controls {
    height: 34px;
  }
  .nav-controls .btn {
    min-height: 34px;
    font-size: 1rem;
  }

  .panel-tab {
    min-height: 44px;
    padding: 10px 12px;
  }

  .game-controls .btn {
    min-height: 44px;
  }

  .tc-btn {
    min-height: 40px;
  }

  /* Prevent iOS auto-zoom on input focus */
  .dialog-section input,
  .dialog-section select,
  .dialog-section textarea {
    font-size: 16px;
    min-height: 44px;
  }

  /* --- Compact mobile layout --- */
  .side-panel {
    width: calc(var(--board-size) + 22px);
    height: auto;
    flex: 1;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .move-history {
    max-height: none;
    flex: 1;
    min-height: 0;
  }

  .status-bar {
    padding: 3px 6px;
    font-size: 0.78rem;
    min-height: 28px;
  }

  .player-info {
    padding: 2px 6px;
    font-size: 0.78rem;
  }

  .captured-pieces {
    max-width: 80px;
    font-size: 0.7rem;
  }

  .opening-explorer {
    display: none;
  }

  /* --- Dialog improvements --- */
  .dialog {
    min-width: unset;
    width: 95vw;
    max-height: 85dvh;
    padding: 14px;
  }

  #settings-dialog .dialog {
    width: 340px;
    max-width: 85vw;
    height: 100dvh;
    max-height: none;
    border-radius: 0;
  }

  .dialog h2 {
    font-size: 1.05rem;
  }

  .dialog-wide {
    min-width: unset;
    width: 95vw;
  }

  .dialog-new-game {
    min-width: unset;
    width: 95vw;
    max-height: 85dvh;
  }
  .new-game-top-row {
    flex-direction: column;
    gap: 8px;
  }

  .btn-group .btn {
    flex: 1 1 auto;
    min-width: 0;
  }

  .db-games-list {
    height: 50vh;
    min-height: 50vh;
    -webkit-overflow-scrolling: touch;
  }

  .tournament-opponents {
    max-height: 150px;
    -webkit-overflow-scrolling: touch;
  }

  .promotion-piece {
    width: 64px;
    height: 64px;
  }

  .promotion-piece img {
    width: 52px;
    height: 52px;
  }

  .multi-analysis-pv {
    display: none;
  }

  .db-controls {
    flex-direction: column;
  }

  /* --- Bot picker --- */
  .bot-picker-layout {
    flex-direction: column;
    height: auto;
    max-height: 55vh;
  }

  .bot-picker-list {
    width: 100%;
    min-width: unset;
    max-height: 140px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .bot-tier-label {
    position: sticky;
    top: 0;
    font-size: 0.55rem;
    padding: 3px 8px;
  }

  .bot-list-card {
    padding: 3px 8px;
    margin: 0 2px;
  }

  .bot-list-portrait {
    width: 28px;
    height: 28px;
  }

  .bot-list-name {
    font-size: 0.7rem;
  }

  .bot-list-elo {
    font-size: 0.6rem;
  }

  .bot-picker-detail {
    padding: 10px;
  }

  .bot-styles-detail {
    grid-template-columns: 1fr;
  }

  /* --- Composer picker --- */
  .composer-picker-list {
    padding: 4px 6px;
    gap: 2px;
  }
  .composer-chip {
    font-size: 0.55rem;
    padding: 1px 4px 1px 1px;
  }
  .composer-chip-portrait {
    width: 18px;
    height: 18px;
  }
  .composer-chip-icon {
    width: 18px;
    height: 18px;
    font-size: 0.65rem;
  }
  .composer-picker-detail {
    padding: 10px;
  }
  .composer-portrait-lg {
    width: 44px;
    height: 44px;
  }
  .composer-detail-all-icon {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }

  /* --- GM Browse dialog --- */
  .gm-browse-layout {
    flex-direction: column;
  }
  .gm-browse-list {
    width: 100%;
    min-width: unset;
    max-height: 130px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    overflow-y: auto;
  }
  .gm-list-card {
    padding: 4px 8px;
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  .gm-list-card.selected {
    border-left-color: transparent;
    border-bottom-color: #d4af37;
  }
  .gm-browse-detail {
    padding: 10px;
  }
  .gmb-portrait {
    width: 64px;
    height: 64px;
  }
  .gmb-columns {
    flex-direction: column;
    gap: 8px;
  }
  .gmb-col-side {
    width: 100%;
  }
  .gmb-styles {
    grid-template-columns: 1fr 1fr;
  }

  /* --- Composer Browse dialog --- */
  .composer-browse-layout {
    flex-direction: column;
  }
  .composer-browse-list {
    width: 100%;
    min-width: unset;
    max-height: 130px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .composer-browse-detail {
    padding: 10px;
  }
  .cmpb-portrait {
    width: 52px;
    height: 52px;
  }
  .cmpb-columns {
    flex-direction: column;
    gap: 8px;
  }
  .cmpb-col-side {
    width: 100%;
  }

  /* --- Other mobile adjustments --- */
  .nav-controls {
    width: calc(var(--board-size) + 22px);
  }

  .db-category-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .coord-label {
    font-size: 0.6rem;
  }

  .tc-compact-row {
    gap: 3px;
  }
  .tc-compact-row .tc-btn {
    font-size: 0.68rem;
    padding: 4px 6px;
  }

  .eval-graph-container {
    width: calc(var(--board-size) + 22px);
  }

  .coach-messages {
    max-height: 200px;
  }

  .tournament-bracket {
    gap: 16px;
  }

  .bracket-round {
    min-width: 120px;
  }

  .review-moments-list { max-height: 180px; }
  .review-accuracy-label { width: 45px; font-size: 0.72rem; }
  .review-accuracy-pct { width: 40px; font-size: 0.85rem; }

  /* --- Safe area insets --- */
  main {
    padding-left: max(6px, env(safe-area-inset-left));
    padding-right: max(6px, env(safe-area-inset-right));
    padding-bottom: calc(54px + env(safe-area-inset-bottom));
  }

  body {
    overscroll-behavior-y: contain;
  }

  /* --- v146: Repertoire Trainer mobile --- */
  .rep-tabs { gap: 1px; }
  .rep-tab { flex: 1; text-align: center; min-height: 44px; display: flex; align-items: center; justify-content: center; }
  .rep-actions { flex-wrap: wrap; }
  .rep-line-card { padding: 10px 12px; }
  .rep-accuracy-bar { width: 80px; }
  .rep-eco-list { max-height: 50dvh; }
  .rep-eco-item { min-height: 44px; display: flex; align-items: center; }
  .repertoire-drill-bar { flex-wrap: wrap; gap: 6px; font-size: 0.75rem; justify-content: center; }
  .rep-drill-info { justify-content: center; }

  /* --- v147: Multi-PV Lines mobile --- */
  .multi-pv-line { padding: 6px 10px; min-height: 44px; }
  .multi-pv-eval { font-size: 0.8rem; }
  .multi-pv-moves { word-break: break-word; }

  /* --- v148: Tablebase mobile --- */
  .tablebase-indicator { flex-direction: row; gap: 4px; }

  /* --- v149: Annotations mobile --- */
  .annotation-popup {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 90vw; max-width: 300px;
  }
  .ann-nag-btn { min-height: 44px; min-width: 44px; display: flex; align-items: center; justify-content: center; }
  .ann-comment { font-size: 16px; }

  /* --- v150: Lichess Import mobile --- */
  .lichess-import-form { flex-direction: column; }
  .lichess-username-input { width: 100%; font-size: 16px; min-height: 44px; }
  .lichess-game-row { flex-wrap: wrap; gap: 4px; padding: 8px 10px; }
  .lichess-game-players { width: 100%; }
  .lichess-game-date { display: none; }

  /* --- v151: GIF Export mobile --- */
  .gif-setting-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .gif-setting-row label { width: 100%; min-width: unset; }
  .gif-setting-row input[type="range"] { width: 100%; }
  .gif-preview img { max-height: 200px; }

  /* --- v152: Saved Games mobile --- */
  .saved-game-card { flex-wrap: wrap; padding: 10px 12px; }
  .saved-game-actions { gap: 6px; }
  .saved-game-actions .btn { min-height: 44px; }
  .saved-games-list { max-height: 50dvh; }

  /* ============================================================
     MOBILE TAB SYSTEM — hide EVERYTHING in side-panel by default.
     Only the active tab's content is shown via body[data-mobile-tab].
     ============================================================ */

  /* Hide board-area extras */
  .board-area [data-drag-id="clock"],
  .board-area [data-drag-id="music"],
  .board-area [data-drag-id="opening"],
  .board-area [data-drag-id="eval-graph"] {
    display: none !important;
  }

  /* Hide ALL side-panel drag-groups and loose children by default */
  .side-panel > .drag-group,
  .side-panel > .analysis-summary {
    display: none !important;
  }

  /* Hide panel tabs row — replaced by bottom nav */
  .panel-tabs {
    display: none !important;
  }

  /* Hide resize handle between board and side panel */
  #resize-handle-main {
    display: none !important;
  }

  /* Side panel: column below the board, fills remaining space */
  .side-panel {
    gap: 2px;
    flex: 1;
    min-height: 0;
    max-height: none !important;
  }

  /* --- Tab: MOVES — status + moves only --- */
  body[data-mobile-tab="moves"] .side-panel > [data-drag-id="status"],
  body[data-mobile-tab="moves"] .side-panel > [data-drag-id="moves"] {
    display: block !important;
  }

  /* --- Tab: ANALYZE — engine lines + book + hints + analysis summary --- */
  body[data-mobile-tab="analyze"] .side-panel > [data-drag-id="engine-lines"],
  body[data-mobile-tab="analyze"] .side-panel > [data-drag-id="book"],
  body[data-mobile-tab="analyze"] .side-panel > [data-drag-id="hints"],
  body[data-mobile-tab="analyze"] .side-panel > .analysis-summary {
    display: block !important;
  }

  /* --- Tab: COACH — coach area + gm-coach --- */
  body[data-mobile-tab="coach"] .side-panel > [data-drag-id="coach-area"],
  body[data-mobile-tab="coach"] .side-panel > [data-drag-id="gm-coach-tab"] {
    display: block !important;
  }

  /* --- Tab: BOARD — hide entire side panel, maximize board --- */
  body[data-mobile-tab="board"] .side-panel {
    display: none !important;
  }
  body[data-mobile-tab="board"] .board-area {
    --board-size: min(92vw, calc(100dvh - 120px), 520px);
  }

  /* Hide resize handles on mobile */
  .resize-handle {
    display: none;
  }

  /* Analysis summary compact */
  .analysis-summary {
    font-size: 0.75rem;
    padding: 4px 8px;
  }

  /* --- Board settings dialog: scrollable on mobile --- */
  #settings-board-dialog .settings-section {
    max-height: calc(100dvh - 120px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* --- DGT/ChessUp hardware settings: compact on mobile --- */
  .dgt-hw-row {
    flex-wrap: wrap;
    gap: 4px 8px;
  }
  .dgt-hw-label {
    min-width: 70px;
    font-size: 0.78rem;
  }
  .dgt-hw-row input[type="range"] {
    min-width: 80px;
    height: 6px;
  }
  .dgt-hw-row input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-height: unset;
  }
  .dgt-hw-select, .dgt-hw-input {
    font-size: 14px;
    min-height: 40px;
  }
  .dgt-hardware-settings,
  .cu-hardware-settings {
    padding: 8px 10px;
  }
  .dgt-connect-btn {
    padding: 10px 12px;
    min-height: 44px;
  }

  /* --- Status bar: wrap badges gracefully --- */
  .status-bar {
    height: auto;
    min-height: 32px;
    flex-wrap: wrap;
    gap: 4px;
  }
  .dgt-board-status {
    font-size: 0.7rem;
  }

  /* --- ChessUp services panel mobile --- */
  .cu-services-panel {
    max-height: 150px;
  }
  .cu-services-output {
    font-size: 0.65rem;
  }
}

/* === Landscape mobile === */
@media (max-width: 768px) and (orientation: landscape) {
  :root {
    --board-size: min(55vw, calc(100dvh - 80px));
  }

  main {
    flex-direction: row;
    align-items: flex-start;
    gap: 8px;
    padding-bottom: 4px;
    height: auto;
    overflow: visible;
  }

  .side-panel {
    width: 270px;
    height: auto;
    max-height: calc(100dvh - 80px);
    overflow-y: auto;
  }

  .opening-label {
    display: none;
  }

  header {
    padding: 2px 8px;
  }

  header h1 {
    font-size: 0.9rem;
  }

  /* Board settings dialog: use landscape space better */
  #settings-board-dialog .dialog {
    max-height: 95dvh;
  }
  #settings-board-dialog .settings-section {
    max-height: calc(100dvh - 100px);
    overflow-y: auto;
  }
}

@media (max-width: 480px) {
  :root {
    --board-size: calc(100vw - 28px); /* 8px margin + 20px eval bar */
  }

  header {
    padding: 2px 6px;
  }

  header h1 {
    font-size: 0.9rem;
  }

  .side-panel {
    height: auto;
    max-height: none;
  }

  .player-info {
    padding: 1px 4px;
    font-size: 0.72rem;
  }

  .coords-ranks {
    display: none;
  }

  /* --- v149: Annotations 480px --- */
  .annotation-popup { width: 95vw; }

  /* --- v150: Lichess Import 480px --- */
  .lichess-game-date, .lichess-game-opening { display: none; }

  /* --- v146: Repertoire 480px --- */
  .rep-line-card { flex-direction: column; align-items: flex-start; gap: 6px; }

  /* --- DGT/ChessUp hardware: stack label above control --- */
  .dgt-hw-row {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .dgt-hw-label {
    min-width: unset;
    font-size: 0.75rem;
  }
  .dgt-hw-value {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 0.75rem;
  }
  .dgt-hw-row {
    position: relative;
    padding-right: 40px;
  }
  .dgt-hw-row input[type="range"] {
    width: 100%;
  }

  /* --- Settings dialog: tighter on small phones --- */
  #settings-board-dialog .dialog {
    padding: 10px;
  }
  .settings-section-title {
    font-size: 0.9rem;
  }
}

/* === Very small phones === */
@media (max-width: 380px) {
  :root {
    --board-size: calc(100vw - 28px);
  }

  header h1 {
    font-size: 0.85rem;
  }

  .side-panel {
    max-height: none;
  }

  .dialog {
    padding: 10px;
    width: 98vw;
  }

  .dialog h2 {
    font-size: 0.95rem;
  }

  .btn {
    font-size: 0.78rem;
    padding: 6px 8px;
  }

  .dgt-connect-title {
    font-size: 0.8rem;
  }

  .dgt-connect-desc {
    font-size: 0.68rem;
  }

  .player-info {
    font-size: 0.75rem;
    padding: 2px 6px;
  }

  .captured-pieces {
    max-width: 70px;
  }

  .nav-controls .btn {
    font-size: 0.9rem;
    min-width: 38px;
  }

  .panel-tab {
    padding: 8px 8px;
    font-size: 0.72rem;
  }
}

/* === Touch device enhancements === */
@media (pointer: coarse) {
  .piece.dragging {
    width: calc(var(--square-size) * 1.3);
    height: calc(var(--square-size) * 1.3);
    filter: drop-shadow(2px 6px 8px rgba(0, 0, 0, 0.5));
  }

  .square .legal-dot {
    width: 30%;
    height: 30%;
  }

  .square .legal-capture {
    border-width: 6px;
  }

  /* --- v149: Annotation touch targets --- */
  .ann-nag-btn { min-height: 44px; min-width: 44px; }

  /* --- v146/v150/v152: Touch list items --- */
  .rep-eco-item, .lichess-game-row, .saved-game-card { min-height: 44px; }
  .rep-line-delete { min-width: 36px; min-height: 36px; display: flex; align-items: center; justify-content: center; }
}

/* === Chess News === */
.news-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
}

.news-tab {
  padding: 6px 14px;
  border: none;
  background: var(--btn-bg);
  color: var(--text-color);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
}

.news-tab.active {
  background: var(--accent);
  color: #fff;
}

.news-content {
  max-height: 50vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-loading {
  text-align: center;
  color: #888;
  padding: 24px 0;
}

.news-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--panel-bg);
  border-radius: 6px;
  border-left: 3px solid var(--border-color);
  cursor: pointer;
  transition: background 0.15s;
}

.news-card:hover {
  background: var(--btn-bg);
}

.news-card.live {
  border-left-color: #e53;
}

.news-card.upcoming {
  border-left-color: var(--accent);
}

.news-card.finished {
  border-left-color: #666;
}

.news-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
  line-height: 1;
}

.news-badge.live {
  background: #e53;
  color: #fff;
  animation: pulse-live 1.5s infinite;
}

.news-badge.upcoming {
  background: var(--accent);
  color: #fff;
}

.news-badge.finished {
  background: #555;
  color: #ccc;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.news-info {
  flex: 1;
  min-width: 0;
}

.news-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-desc {
  font-size: 0.75rem;
  color: #888;
  margin-top: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  font-size: 0.7rem;
  color: #666;
  margin-top: 3px;
}

.news-link-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--panel-bg);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}

.news-link-card:hover {
  background: var(--btn-bg);
}

.news-link-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--btn-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.news-section-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #666;
  letter-spacing: 0.5px;
  margin-top: 8px;
}

.news-header h2 {
  margin-bottom: 8px;
}

.news-detail-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 8px;
}

.news-detail-title {
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.news-detail-view {
  width: 100%;
  flex: 1;
  min-height: 400px;
}

.news-iframe {
  width: 100%;
  height: 500px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: #1a1816;
}

/* === Music Player === */
.music-compact-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 6px;
  flex-shrink: 0;
}
.music-compact-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.music-compact-controls .btn-primary {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.music-compact-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.music-compact-vol {
  width: 60px;
  flex-shrink: 0;
}

.music-track-title {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-track-composer {
  font-size: 0.65rem;
  color: #888;
}

.music-volume-slider {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-color);
  border-radius: 2px;
  outline: none;
}

.music-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.music-volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

.music-filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.music-favorite-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  padding: 4px 8px;
  background: rgba(78, 205, 196, 0.1);
  border-radius: 4px;
  font-size: 0.8rem;
  margin-bottom: 4px;
  flex-shrink: 0;
}

.music-fav-label {
  flex: 1;
  color: var(--accent, #4ecdc4);
}

#music-set-favorite {
  font-size: 0.72rem;
  padding: 2px 8px;
}

.music-composer-filter {
  flex: 1;
  background: var(--btn-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
}

.music-track-count {
  font-size: 0.75rem;
  color: var(--text-color);
  opacity: 0.7;
  white-space: nowrap;
}

.music-playlist {
  max-height: 220px;
  overflow-y: auto;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.music-track {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
  font-size: 0.82rem;
}

.music-track:hover {
  background: var(--btn-bg);
}

.music-track.active {
  background: var(--accent);
  color: #fff;
}

.music-track-num {
  width: 20px;
  text-align: center;
  font-size: 0.72rem;
  color: #888;
  flex-shrink: 0;
}

.music-track.active .music-track-num {
  color: rgba(255,255,255,0.7);
}

.music-track-details {
  flex: 1;
  min-width: 0;
}

.music-track-details-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-track-details-composer {
  font-size: 0.72rem;
  color: #888;
}

.music-track.active .music-track-details-composer {
  color: rgba(255,255,255,0.7);
}

.music-track-dur {
  font-size: 0.72rem;
  color: #888;
  flex-shrink: 0;
}

.music-track.active .music-track-dur {
  color: rgba(255,255,255,0.7);
}

#music-shuffle.active,
#music-repeat.active {
  background: var(--accent);
  color: #fff;
}

/* === Experimental Label === */
.label-experimental {
  font-size: 0.7rem;
  color: #a8a090;
  font-weight: normal;
  font-style: italic;
}

/* === FIDE Presets & Delay Type Select === */
.tc-select {
  background: var(--bg-lighter, #3a3836);
  color: #e0d5c7;
  border: 1px solid #555;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 0.85rem;
  max-width: 180px;
}

/* === Opening Training Bar === */
.opening-training-bar {
  background: linear-gradient(135deg, #3a4a3a 0%, #2a3a2a 100%);
  border: 1px solid #5a7a5a;
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.opening-training-bar.hidden { display: none; }
.ot-title {
  font-size: 0.82rem;
  color: #c0d8c0;
  font-weight: 500;
  flex: 1;
  min-width: 120px;
}
.ot-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  width: 100%;
  font-size: 0.72rem;
  color: #a0b8a0;
  min-height: 0;
  padding: 4px 10px;
  margin: 2px 0;
}
.ot-stats:empty { display: none; }
.ot-stat-total {
  font-weight: 600;
  color: #c0d8c0;
  margin-right: 4px;
}
.ot-stat-move {
  background: rgba(255,255,255,0.06);
  padding: 2px 6px;
  border-radius: 3px;
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.ot-stat-count { color: #8a8; font-size: 0.68rem; }
.ot-stat-pct { color: #aaa; font-size: 0.68rem; }
.ot-stat-empty { color: #888; font-style: italic; }
.ot-coach {
  background: linear-gradient(135deg, #2a3328 0%, #252e24 100%);
  border: 1px solid #3a5a3a;
  border-radius: 6px;
  padding: 8px 10px;
  margin: 6px 0;
}
.ot-coach.hidden { display: none; }
.ot-coach:empty { display: none; }
.ot-coach-card {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.ot-coach-portrait {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid #5a7a5a;
  flex-shrink: 0;
}
.ot-coach-bubble {
  flex: 1;
  font-size: 0.78rem;
  color: #c0d8c0;
  line-height: 1.4;
}
.ot-coach-name {
  display: block;
  font-weight: 600;
  color: #d4af37;
  font-size: 0.68rem;
  margin-bottom: 2px;
}
#ot-coach-text {
  font-style: italic;
}
.ot-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
/* Opening training buttons — styled for green background */
.ot-btn {
  background: rgba(255,255,255,0.08) !important;
  border: 1px solid rgba(255,255,255,0.15) !important;
  color: #d0e8d0 !important;
  font-weight: 500;
  border-radius: 4px;
  transition: background 0.15s, border-color 0.15s;
}
.ot-btn:hover {
  background: rgba(255,255,255,0.15) !important;
  border-color: rgba(255,255,255,0.25) !important;
}
.ot-btn-primary {
  background: rgba(90,160,90,0.35) !important;
  border-color: #5a9a5a !important;
  color: #e0ffe0 !important;
}
.ot-btn-primary:hover {
  background: rgba(90,160,90,0.5) !important;
}
.ot-btn-accent {
  background: rgba(181,136,99,0.3) !important;
  border-color: var(--accent, #b58863) !important;
  color: #ffe0c0 !important;
}
.ot-btn-accent:hover {
  background: rgba(181,136,99,0.45) !important;
}
.ot-btn-exit {
  background: transparent !important;
  border-color: rgba(255,255,255,0.1) !important;
  color: #999 !important;
}
.ot-btn-exit:hover {
  background: rgba(255,100,100,0.12) !important;
  color: #e88 !important;
  border-color: rgba(255,100,100,0.25) !important;
}

/* === Music Player Dialog (Spotify 2-column) === */
.dialog-music-player {
  width: 640px;
  max-width: 95vw;
  max-height: 85vh;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Two-column layout matching composer browser */
.mp-layout {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: var(--panel-bg);
  margin: 12px 12px 0;
}

/* Left sidebar — composer list */
.mp-sidebar {
  width: 190px;
  min-width: 190px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  background: rgba(0,0,0,0.15);
}
.mp-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 10px 6px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.mp-sidebar-title {
  font-size: 0.7rem;
  color: #b87fd4;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.mp-sidebar-list {
  flex: 1;
  overflow-y: auto;
  padding: 2px 0;
}
.mp-sidebar-list::-webkit-scrollbar { width: 4px; }
.mp-sidebar-list::-webkit-scrollbar-thumb { background: #555; border-radius: 2px; }

/* Composer list items — match composer browser cmp-list-card style */
.mp-cl-era {
  padding: 6px 8px 3px;
  font-size: 0.55rem;
  color: #b87fd4;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border-color);
  background: var(--panel-bg, #1e1e1e);
  position: sticky;
  top: 0;
  z-index: 1;
}
.mp-cl-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}
.mp-cl-item:hover { background: rgba(255,255,255,0.04); }
.mp-cl-item.selected {
  border-left-color: #b87fd4;
  background: rgba(184, 127, 212, 0.08);
}
.mp-cl-portrait {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
  flex-shrink: 0;
  background: var(--btn-bg);
}
.mp-cl-item.selected .mp-cl-portrait {
  border-color: #b87fd4;
}
.mp-cl-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--btn-bg);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #c0b8a8;
  flex-shrink: 0;
}
.mp-cl-item.selected .mp-cl-icon {
  border-color: #b87fd4;
  color: #b87fd4;
}
.mp-cl-name {
  flex: 1;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mp-cl-item.selected .mp-cl-name {
  color: #b87fd4;
}
.mp-cl-count {
  font-size: 0.6rem;
  color: #888;
  flex-shrink: 0;
}

/* Right main area */
.mp-main {
  flex: 1;
  overflow-y: auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* Now Playing — horizontal hero */
.mp-now-playing {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(42,40,37,0.6) 0%, transparent 100%);
}
.mp-portrait {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 3px solid #b87fd4;
  box-shadow: 0 0 10px rgba(184, 127, 212, 0.2);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--btn-bg);
}
.mp-now-info {
  flex: 1;
  min-width: 0;
}
.mp-track-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mp-track-composer {
  font-size: 0.78rem;
  color: #b87fd4;
  cursor: pointer;
  transition: color 0.15s;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.mp-track-composer:hover {
  color: var(--text-light);
  text-decoration: underline;
}

/* Controls section */
.mp-controls-section {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}
.mp-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 10px;
}
.mp-play-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #b87fd4;
  color: #fff;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, background 0.15s;
}
.mp-play-btn:hover { transform: scale(1.08); background: #c990e0; }
.mp-play-btn:active { transform: scale(0.95); }

.mp-progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin-bottom: 8px;
}
.mp-time {
  font-size: 0.72rem;
  color: #888;
  min-width: 32px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.mp-progress-bar {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: #444;
  border-radius: 2px;
  cursor: pointer;
}
.mp-progress-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #b87fd4;
  cursor: pointer;
}
.mp-progress-bar::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #b87fd4;
  cursor: pointer;
  border: none;
}

.mp-vol-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.mp-volume-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: #444;
  border-radius: 2px;
  min-width: 60px;
}
.mp-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #b87fd4;
  cursor: pointer;
}

.music-vol-icon {
  font-size: 0.75rem;
  color: #888;
  flex-shrink: 0;
}

/* Queue header */
.mp-queue-header {
  font-size: 0.65rem;
  color: #b87fd4;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 16px 4px;
}

/* Track Queue */
.mp-queue {
  flex: 1;
  overflow-y: auto;
  padding: 2px 0;
}
.mp-queue::-webkit-scrollbar { width: 4px; }
.mp-queue::-webkit-scrollbar-thumb { background: #555; border-radius: 2px; }

.mp-queue-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  cursor: pointer;
  transition: background 0.15s;
}
.mp-queue-item:hover { background: rgba(255,255,255,0.04); }
.mp-queue-item.active {
  background: rgba(184, 127, 212, 0.08);
}
.mp-queue-play {
  width: 18px;
  text-align: center;
  color: #888;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.mp-queue-item.active .mp-queue-play {
  color: #b87fd4;
}
.mp-queue-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.mp-queue-title {
  font-size: 0.78rem;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mp-queue-item.active .mp-queue-title {
  color: #b87fd4;
  font-weight: 600;
}
.mp-queue-composer {
  font-size: 0.65rem;
  color: #888;
}
.mp-queue-dur {
  font-size: 0.68rem;
  color: #888;
  flex-shrink: 0;
}

/* Mobile: stack columns */
@media (max-width: 520px) {
  .mp-layout {
    flex-direction: column;
  }
  .mp-sidebar {
    width: 100%;
    min-width: unset;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    max-height: 160px;
  }
}


/* ============================================================
   FREE-FLOATING LAYOUT (Chessmaster-style)
   ============================================================ */

/* Container mode */
body.free-layout-on main {
  position: relative;
  display: block;
  height: calc(100dvh - 50px);
  padding: 0;
  overflow: hidden;
}

/* Hide the normal flex containers */
body.free-layout-on .board-area,
body.free-layout-on .side-panel,
body.free-layout-on #resize-handle-main,
body.free-layout-on .resize-handle {
  display: none !important;
}

/* Drag-groups inside free windows — fill available space */
body.free-layout-on .drag-group {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex: 1;
  min-height: 0;
}

/* Nav bar at bottom of moves — don't grow */
body.free-layout-on [data-drag-id="tab-bar"] {
  flex: 0 0 auto;
}

/* === Free Window === */
.free-window {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  overflow: visible;
  user-select: none;
}

.free-window-active {
  border-color: rgba(129,182,76,0.5);
  box-shadow: 0 0 12px rgba(129,182,76,0.15), 0 4px 16px rgba(0,0,0,0.4);
}

/* === Title Bar — slim dark bar === */
.free-window-titlebar {
  height: 16px;
  min-height: 16px;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 0 5px;
  background: linear-gradient(180deg, #2e2e2e 0%, #1a1a1a 100%);
  color: #888;
  font-size: 0.6rem;
  font-weight: 600;
  cursor: grab;
  flex-shrink: 0;
  border-bottom: 1px solid #111;
  border-radius: 3px 3px 0 0;
}

/* Grip dots on the title bar — visual cue that it's draggable */
.free-window-titlebar::before {
  content: '\u2847';
  font-size: 0.7rem;
  color: rgba(255,255,255,0.15);
  line-height: 1;
  margin-right: 1px;
}

.free-window-titlebar:active {
  cursor: grabbing;
  background: linear-gradient(180deg, #444 0%, #252525 100%);
}

.free-window-icon {
  font-size: 0.8rem;
  line-height: 1;
}

.free-window-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.free-window-btns {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.free-window-btn {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: none;
  border-radius: 2px;
  color: #777;
  font-size: 0.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.free-window-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #ccc;
}

.free-close-btn:hover {
  background: #c33;
  color: #fff;
}

/* === Window Content === */
.free-window-content {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border-radius: 0 0 4px 4px;
}

/* === Minimized state — collapse to title bar === */
.free-window-minimized .free-window-content,
.free-window-minimized .free-resize-handle {
  display: none;
}

.free-window-minimized {
  height: 20px !important;
  min-height: 20px;
  overflow: hidden;
}

/* === 8 Resize Handles === */
.free-resize-handle {
  position: absolute;
  z-index: 2;
}

/* Edges — 8px wide invisible touch targets */
.free-resize-n  { top: -4px;    left: 14px;  right: 14px; height: 8px; cursor: n-resize; }
.free-resize-s  { bottom: -4px; left: 14px;  right: 14px; height: 8px; cursor: s-resize; }
.free-resize-e  { right: -4px;  top: 14px;   bottom: 14px; width: 8px; cursor: e-resize; }
.free-resize-w  { left: -4px;   top: 14px;   bottom: 14px; width: 8px; cursor: w-resize; }

/* Corners — 14px visible grip triangles */
.free-resize-ne { top: -4px;    right: -4px;  width: 14px; height: 14px; cursor: ne-resize; }
.free-resize-nw { top: -4px;    left: -4px;   width: 14px; height: 14px; cursor: nw-resize; }
.free-resize-se { bottom: -4px; right: -4px;  width: 14px; height: 14px; cursor: se-resize; }
.free-resize-sw { bottom: -4px; left: -4px;   width: 14px; height: 14px; cursor: sw-resize; }

/* Visible corner grip indicators */
.free-resize-se::after,
.free-resize-sw::after,
.free-resize-ne::after,
.free-resize-nw::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  opacity: 0.35;
  transition: opacity 0.15s;
}

.free-resize-se::after { bottom: 4px; right: 4px; border-right: 2px solid #999; border-bottom: 2px solid #999; }
.free-resize-sw::after { bottom: 4px; left: 4px;  border-left: 2px solid #999;  border-bottom: 2px solid #999; }
.free-resize-ne::after { top: 4px;    right: 4px; border-right: 2px solid #999; border-top: 2px solid #999; }
.free-resize-nw::after { top: 4px;    left: 4px;  border-left: 2px solid #999;  border-top: 2px solid #999; }

/* Brighter on hover */
.free-resize-handle:hover::after {
  opacity: 0.7;
}

/* Show subtle edge lines on window hover */
.free-window:hover > .free-resize-n,
.free-window:hover > .free-resize-s {
  background: linear-gradient(to bottom, transparent 30%, rgba(129,182,76,0.15) 50%, transparent 70%);
}
.free-window:hover > .free-resize-e,
.free-window:hover > .free-resize-w {
  background: linear-gradient(to right, transparent 30%, rgba(129,182,76,0.15) 50%, transparent 70%);
}

/* Dragging state */
.free-window-dragging {
  opacity: 0.9;
  transition: none;
}

.free-window-resizing {
  transition: none;
}

/* Alignment guide lines */
.free-guide-line {
  position: absolute;
  z-index: 99999;
  pointer-events: none;
}
.free-guide-double {
  border-style: dotted !important;
}

/* === Board-specific: fill window, stay square === */
/* Grid: [eval-bar] [ranks 1-8] [board]
                                 [files a-h] */
body.free-layout-on [data-drag-id="board"] #board-container {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-rows: 1fr auto;
  width: 100%;
  height: 100%;
  margin-left: 0;
}

body.free-layout-on [data-drag-id="board"] .eval-bar {
  grid-row: 1;
  grid-column: 1;
  height: var(--board-size);
  align-self: start;
  visibility: visible !important;
}

body.free-layout-on [data-drag-id="board"] #board {
  grid-row: 1;
  grid-column: 3;
  width: var(--board-size);
  height: var(--board-size);
}

/* Rank coords (1-8) — own column left of board */
body.free-layout-on .coords-ranks {
  grid-row: 1;
  grid-column: 2;
  position: relative;
  left: auto;
  top: auto;
  bottom: auto;
  height: var(--board-size);
  display: flex;
  flex-direction: column;
  align-self: start;
  padding-right: 2px;
}
body.free-layout-on .coords-ranks .coord-label {
  width: auto;
  height: calc(var(--board-size) / 8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--text-color);
  opacity: 0.7;
}

/* File coords (a-h) below the board */
body.free-layout-on .coords-files {
  grid-row: 2;
  grid-column: 3;
  position: relative;
  bottom: auto;
  left: auto;
  right: auto;
  width: var(--board-size);
  display: flex;
  justify-content: space-around;
  padding: 2px 0;
}

/* === Panels dropdown (unfolds from top bar) === */
.btn-panels-toggle {
  font-size: 1.1rem;
  padding: 4px 8px;
  line-height: 1;
  opacity: 0.8;
}
.btn-panels-toggle:hover { opacity: 1; }

.panels-dropdown {
  position: absolute;
  top: 100%;
  right: 40px;
  z-index: 10000;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  min-width: 210px;
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.panels-dropdown.hidden { display: none; }

.panels-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.panels-tab {
  flex: 1;
  padding: 6px 0;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  opacity: 0.5;
  border-bottom: 2px solid transparent;
  transition: opacity 0.15s, border-color 0.15s;
}
.panels-tab:hover { opacity: 0.8; }
.panels-tab.active {
  opacity: 1;
  border-bottom-color: var(--accent, #c9a84c);
  color: var(--accent, #c9a84c);
}

.panels-tab-content {
  padding: 6px 10px;
  overflow-y: auto;
  flex: 1;
}
.panels-section {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.panels-section.hidden { display: none; }

body.free-layout-on .player-info {
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px 10px;
  height: 100%;
  min-height: 0;
  border-radius: 0;
  border: none;
}

/* Tab content — fill and scroll in free layout */
body.free-layout-on [data-drag-id="moves"] .panel-content {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

/* Book — force visible in its own window */
body.free-layout-on [data-drag-id="book"] .panel-content {
  display: block !important;
  flex: 1;
  min-height: 0;
  overflow: auto;
}

/* GM Hints and GM Coach — always visible in their own windows */
body.free-layout-on [data-drag-id="hints"] .panel-content,
body.free-layout-on [data-drag-id="gm-coach-tab"] .panel-content {
  display: flex !important;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: auto;
}

/* Eval graph — force visible in its own window, fill space */
body.free-layout-on [data-drag-id="eval-graph"] .eval-graph-container {
  display: block !important;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}
body.free-layout-on [data-drag-id="eval-graph"] .eval-graph-svg {
  display: block;
  width: 100%;
  height: 100%;
}

body.free-layout-on .move-history-container {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  max-height: none;
}

body.free-layout-on .ideas-split,
body.free-layout-on .gm-coach-split {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

body.free-layout-on .status-bar {
  flex-wrap: wrap;
  gap: 4px;
}

body.free-layout-on .nav-controls {
  justify-content: center;
  flex-wrap: wrap;
}

body.free-layout-on .mini-music {
  flex: 1;
  min-height: 0;
}

body.free-layout-on .eval-graph-container {
  flex: 1;
  min-height: 0;
}

body.free-layout-on .move-notes,
body.free-layout-on .match-notes {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

body.free-layout-on .move-notes-input {
  flex: 1;
  min-height: 30px;
}

body.free-layout-on .panel-coach-area {
  flex: 1;
  overflow: auto;
}

body.free-layout-on .book-panel {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

/* === Mobile guard: hide free layout on narrow screens === */
@media (max-width: 768px) {
  #btn-free-layout {
    display: none !important;
  }
}

/* === Feature 13: Game History Dialog === */
.history-filters {
  display: flex; gap: 8px; margin-bottom: 10px;
}
.history-search {
  flex: 1; padding: 6px 10px; border-radius: 4px; border: 1px solid #444;
  background: var(--panel-bg, #1a1a2e); color: var(--text, #e0e0e0); font-size: 0.85rem;
}
.history-filter-select {
  padding: 6px 8px; border-radius: 4px; border: 1px solid #444;
  background: var(--panel-bg, #1a1a2e); color: var(--text, #e0e0e0); font-size: 0.85rem;
}
.history-list {
  max-height: 400px; overflow-y: auto; display: flex; flex-direction: column; gap: 2px;
}
.history-row {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 4px;
  cursor: pointer; font-size: 0.82rem; transition: background 0.15s;
}
.history-row:hover { background: rgba(255,255,255,0.07); }
.history-row-date { color: #888; min-width: 70px; }
.history-row-opponent { flex: 1; }
.history-row-opening { flex: 1; color: #aaa; }
.history-row-result {
  padding: 2px 8px; border-radius: 3px; font-weight: 600; font-size: 0.75rem; text-transform: uppercase;
}
.history-row-result.win { background: #2e7d32; color: #fff; }
.history-row-result.loss { background: #c62828; color: #fff; }
.history-row-result.draw { background: #555; color: #ccc; }

/* === Feature 12: Game Result Banner === */
.game-result-banner {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 900;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
}
.game-result-banner.hidden { display: none; }
.result-banner-content {
  text-align: center; padding: 28px 36px; border-radius: 12px;
  background: var(--panel-bg, #1a1a2e); border: 1px solid #333;
  min-width: 280px; max-width: 400px;
}
.result-banner-text { font-size: 1.4rem; font-weight: 700; margin-bottom: 12px; }
.result-banner-accuracy {
  display: flex; gap: 16px; justify-content: center; margin-bottom: 16px;
}
.result-banner-acc-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.result-banner-acc-label { font-size: 0.75rem; color: #aaa; }
.result-banner-acc-value { font-size: 1.1rem; font-weight: 600; }
.result-banner-acc-bar {
  width: 80px; height: 6px; background: #333; border-radius: 3px; overflow: hidden;
}
.result-banner-acc-fill {
  height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, #f44336, #ffc107, #4caf50);
}
.result-banner-actions { display: flex; gap: 8px; justify-content: center; }
.result-banner-actions .btn { min-width: 100px; }
.btn-accent { background: #c9a227; color: #000; border: none; cursor: pointer; padding: 6px 14px; border-radius: 4px; font-weight: 600; }
.btn-accent:hover { background: #d4af37; }

/* === Feature 11: Blunder Alert === */
.blunder-alert {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%); z-index: 800;
  display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 8px;
  font-size: 0.85rem; animation: blunderSlideUp 0.3s ease;
}
.blunder-alert.hidden { display: none; }
.blunder-alert.blunder-level-blunder { background: #c62828; color: #fff; }
.blunder-alert.blunder-level-mistake { background: #e65100; color: #fff; }
.blunder-alert.blunder-level-inaccuracy { background: #f57f17; color: #000; }
.blunder-alert-icon { font-size: 1.1rem; }
.blunder-alert-takeback {
  color: inherit; text-decoration: underline; cursor: pointer; font-weight: 600;
}
.blunder-alert-dismiss {
  background: none; border: none; color: inherit; cursor: pointer; font-size: 1.1rem; padding: 0 4px;
}
@keyframes blunderSlideUp {
  from { transform: translateX(-50%) translateY(20px); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* === Feature 10: Eval Sparkline & Accuracy Bars === */
.eval-sparkline { display: block; margin-top: 4px; }
.accuracy-bars {
  position: absolute; bottom: 4px; left: 0; right: 0; padding: 0 3px;
  display: flex; flex-direction: column; gap: 2px;
}
.accuracy-bars.hidden { display: none; }
.accuracy-bar-row { display: flex; align-items: center; gap: 3px; font-size: 0.6rem; }
.accuracy-bar-label { width: 10px; text-align: center; color: #aaa; }
.accuracy-bar-track { flex: 1; height: 4px; background: #333; border-radius: 2px; overflow: hidden; }
.accuracy-bar-fill { height: 100%; border-radius: 2px; transition: width 0.3s; }
.accuracy-bar-white { background: linear-gradient(90deg, #f44336, #ffc107, #4caf50); }
.accuracy-bar-black { background: linear-gradient(90deg, #f44336, #ffc107, #4caf50); }
.accuracy-bar-pct { width: 28px; text-align: right; color: #ccc; }

/* === Feature 9: Board Arrows & Square Highlights === */
.board-highlight-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}
.square-highlight {
  position: absolute; opacity: 0.5; border-radius: 2px; pointer-events: none;
}

/* === Feature 6: Pre-Game Countdown === */
.countdown-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 950;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
}
.countdown-overlay.hidden { display: none; }
.countdown-number {
  font-size: 6rem; font-weight: 800; color: #fff;
  animation: countdownPulse 0.8s ease;
}
.countdown-number.go { color: var(--accent, #81b64c); font-size: 4rem; }
@keyframes countdownPulse {
  0% { transform: scale(1.6); opacity: 0; }
  50% { transform: scale(1); opacity: 1; }
  100% { transform: scale(0.95); opacity: 1; }
}

/* === Feature 7: Rematch Button === */
#btn-rematch { background: #c9a227; color: #000; font-weight: 600; border: none; }
#btn-rematch:hover { background: #d4af37; }

/* === Feature 5: Takeback Button === */
#btn-takeback { }

/* === Feature 1: Window Minimize to Title Bar === */
.free-window-minimized { height: 16px !important; min-height: 16px !important; overflow: hidden; }
.free-window-minimized .free-window-content,
.free-window-minimized .free-resize-handle { display: none; }

/* === Feature 12: Achievement System === */
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin: 8px 0 16px;
}
.achievement-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 6px;
  border-radius: 8px;
  background: var(--btn-bg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: opacity 0.2s;
}
.achievement-badge.locked {
  opacity: 0.35;
  filter: grayscale(1);
}
.achievement-badge.unlocked {
  border-color: #b8860b;
  background: rgba(184, 134, 11, 0.12);
}
.achievement-badge-icon {
  font-size: 1.5rem;
}
.achievement-badge-name {
  font-size: 0.7rem;
  color: var(--text-color);
  line-height: 1.2;
}
.achievement-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-bg);
  color: var(--text-light);
  border: 2px solid #b8860b;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 0.85rem;
  z-index: 1100;
  box-shadow: 0 4px 20px rgba(184, 134, 11, 0.3);
  transition: opacity 0.4s;
}
.achievement-toast-icon {
  font-size: 1.6rem;
}

/* === Feature 7 (plan): Head-to-Head Records === */
.opponent-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.opponent-badge {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px;
  border-radius: 8px;
  background: var(--btn-bg);
  border: 2px solid var(--border-color);
  text-align: center;
}
.opponent-badge.nemesis { border-color: #c33; }
.opponent-badge.easiest { border-color: #4caf50; }
.opponent-badge-label { font-size: 0.65rem; text-transform: uppercase; color: #888; letter-spacing: 0.05em; }
.opponent-badge-name { font-size: 0.9rem; font-weight: 600; color: var(--text-light); }
.opponent-badge-rate { font-size: 0.75rem; color: var(--text-color); }
.opponent-record-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
}
.opponent-record-name {
  width: 140px;
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--text-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.opponent-bar {
  flex: 1;
  display: flex;
  height: 10px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--border-color);
}
.opponent-bar-w { background: #4caf50; }
.opponent-bar-d { background: #888; }
.opponent-bar-l { background: #c33; }
.opponent-record-score {
  font-size: 0.7rem;
  color: var(--text-color);
  white-space: nowrap;
  width: 80px;
  text-align: right;
}
.bot-h2h-badge {
  position: absolute;
  bottom: 2px;
  right: 4px;
  font-size: 0.6rem;
  color: var(--text-color);
  background: rgba(0,0,0,0.5);
  padding: 1px 4px;
  border-radius: 3px;
}
.bot-list-card { position: relative; }

/* === Feature 8: Time Management Graph === */
.time-graph-container {
  width: 100%;
  height: 50px;
  margin-top: 2px;
  background: var(--panel-bg);
  border-radius: 4px;
  overflow: hidden;
}
.time-graph-container svg rect.time-bar:hover {
  opacity: 0.7;
}

/* === Feature 4: Position Editor === */
.pos-editor-dialog {
  max-width: 700px;
  width: 95vw;
}
.pos-editor-layout {
  display: grid;
  grid-template-columns: 80px 1fr 200px;
  gap: 12px;
  padding: 12px;
}
.pos-editor-palette {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  align-content: start;
}
.pos-palette-piece {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  background: var(--btn-bg);
}
.pos-palette-piece img {
  width: 30px;
  height: 30px;
}
.pos-palette-piece.selected {
  border-color: var(--accent);
  background: rgba(129, 182, 76, 0.15);
}
.pos-palette-trash {
  font-size: 1.2rem;
}
.pos-editor-board-wrap {
  aspect-ratio: 1;
  max-width: 360px;
}
.pos-editor-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: 100%;
  height: 100%;
  border-radius: 4px;
  overflow: hidden;
}
.pos-sq {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.pos-sq.light { background: var(--light-square); }
.pos-sq.dark { background: var(--dark-square); }
.pos-sq img {
  width: 80%;
  height: 80%;
  pointer-events: none;
}
.pos-sq:hover { outline: 2px solid var(--accent); outline-offset: -2px; }
.pos-editor-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pos-editor-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: #888;
  letter-spacing: 0.05em;
  margin-top: 4px;
}
.pos-editor-turn-toggle {
  display: flex;
  gap: 4px;
}
.pos-turn-btn.selected {
  background: var(--accent);
  color: #fff;
}
.pos-editor-castling {
  display: flex;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-color);
}
.pos-editor-castling label { display: flex; align-items: center; gap: 3px; cursor: pointer; }
.pos-fen-field {
  width: 100%;
  background: var(--btn-bg);
  border: 1px solid var(--border-color);
  color: var(--text-light);
  padding: 6px 8px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.75rem;
}
.pos-fen-invalid { border-color: #c33 !important; }
.pos-editor-quick {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.pos-editor-actions {
  display: flex;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
}
.pos-editor-actions .btn { flex: 1; font-size: 0.8rem; }

@media (max-width: 600px) {
  .pos-editor-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .pos-editor-palette {
    grid-template-columns: repeat(7, 1fr);
    justify-items: center;
  }
  .pos-editor-board-wrap {
    max-width: 100%;
  }
}

/* ============================================================
   FEATURE 1: Opening Repertoire Trainer (v146)
   ============================================================ */
.rep-tabs { display: flex; gap: 2px; margin-bottom: 10px; }
.rep-tab {
  padding: 6px 14px; background: var(--btn-bg); color: var(--text-color);
  border: none; border-radius: 4px 4px 0 0; cursor: pointer; font-size: 0.8rem;
}
.rep-tab.active { background: var(--accent); color: #fff; }
.rep-tab-content.hidden { display: none; }
.rep-actions { display: flex; gap: 6px; margin-bottom: 10px; }
.repertoire-list { max-height: 340px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.rep-line-card {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  background: var(--btn-bg); border-radius: 6px; cursor: pointer;
}
.rep-line-card:hover { background: var(--hover-bg, #3a3733); }
.rep-line-name { flex: 1; font-size: 0.85rem; color: var(--text-light); }
.rep-eco-badge {
  font-size: 0.7rem; padding: 2px 6px; border-radius: 3px;
  background: var(--accent); color: #fff; font-weight: 600;
}
.rep-color-indicator { font-size: 0.75rem; opacity: 0.7; }
.rep-accuracy-bar {
  width: 60px; height: 4px; background: #444; border-radius: 2px; overflow: hidden;
}
.rep-accuracy-bar-fill { height: 100%; border-radius: 2px; transition: width 0.3s; }
.rep-accuracy-bar-fill.good { background: var(--accent); }
.rep-accuracy-bar-fill.bad { background: #c33; }
.rep-due-badge {
  font-size: 0.65rem; padding: 1px 5px; border-radius: 3px;
  background: #e8a735; color: #111; font-weight: 600;
}
.rep-line-delete {
  background: none; border: none; color: #888; cursor: pointer; font-size: 1rem; padding: 2px 4px;
}
.rep-line-delete:hover { color: #c33; }
.rep-drill-summary { color: var(--text-color); font-size: 0.85rem; margin-bottom: 10px; }
.rep-drill-due { display: flex; flex-direction: column; gap: 6px; max-height: 300px; overflow-y: auto; }
.rep-stats-overview { color: var(--text-color); font-size: 0.85rem; line-height: 1.8; }
.rep-eco-list { max-height: 300px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.rep-eco-item {
  padding: 6px 10px; background: var(--btn-bg); border-radius: 4px;
  cursor: pointer; font-size: 0.8rem; color: var(--text-light);
}
.rep-eco-item:hover { background: var(--accent); color: #fff; }
.rep-color-pick { margin-bottom: 10px; color: var(--text-color); font-size: 0.85rem; }
.rep-color-pick select {
  background: var(--btn-bg); color: var(--text-light); border: 1px solid var(--border-color);
  padding: 4px 8px; border-radius: 4px;
}
/* Repertoire Drill Bar */
.repertoire-drill-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 12px; background: #2c5a3e; border-radius: 6px; margin-top: 4px;
}
.repertoire-drill-bar.hidden { display: none; }
.rep-drill-info { display: flex; align-items: center; gap: 10px; }
.rep-drill-name { font-size: 0.8rem; font-weight: 600; color: #fff; }
.rep-drill-progress { font-size: 0.75rem; color: #aed581; }
.rep-drill-controls { display: flex; gap: 6px; }

/* ============================================================
   FEATURE 2: Engine Multi-PV Lines (v147)
   ============================================================ */
.multi-pv-panel { padding: 6px 0; }
.multi-pv-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 8px 6px; border-bottom: 1px solid var(--border-color);
}
.multi-pv-lines { display: flex; flex-direction: column; gap: 2px; padding: 4px 0; }
.multi-pv-line {
  display: flex; align-items: center; gap: 8px; padding: 4px 8px;
  border-radius: 4px; cursor: pointer; font-size: 0.8rem;
}
.multi-pv-line:hover { background: var(--hover-bg, #3a3733); }
.multi-pv-eval {
  display: inline-block; min-width: 42px; text-align: center;
  padding: 2px 6px; border-radius: 3px; font-weight: 600; font-size: 0.75rem;
}
.multi-pv-eval.positive { background: #2e7d32; color: #fff; }
.multi-pv-eval.negative { background: #c62828; color: #fff; }
.multi-pv-eval.neutral { background: #555; color: #ccc; }
.multi-pv-moves { color: var(--text-color); font-size: 0.78rem; word-break: break-all; }

/* ============================================================
   FEATURE 3: Tablebase Endgame Lookup (v148)
   ============================================================ */
.tablebase-indicator {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 4px 2px; font-size: 0.6rem;
}
.tablebase-indicator.hidden { display: none; }
.tb-badge {
  padding: 1px 4px; border-radius: 3px; font-weight: 700; font-size: 0.55rem;
  letter-spacing: 0.5px;
}
.tb-badge.tb-win { background: #2e7d32; color: #fff; }
.tb-badge.tb-draw { background: #666; color: #ddd; }
.tb-badge.tb-loss { background: #c62828; color: #fff; }
.tb-detail { color: #aaa; font-size: 0.55rem; }
.tb-move { color: var(--accent); font-size: 0.6rem; font-weight: 600; }

/* ============================================================
   FEATURE 4: Manual Game Annotations (v149)
   ============================================================ */
.annotation-popup {
  position: absolute; z-index: 1000; background: var(--panel-bg); border: 1px solid var(--border-color);
  border-radius: 8px; padding: 10px; box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  width: 220px;
}
.annotation-popup.hidden { display: none; }
.ann-nag-row { display: flex; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.ann-nag-btn {
  padding: 4px 8px; background: var(--btn-bg); color: var(--text-color);
  border: 1px solid var(--border-color); border-radius: 4px; cursor: pointer;
  font-weight: 700; font-size: 0.85rem;
}
.ann-nag-btn:hover { background: var(--accent); color: #fff; }
.ann-nag-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.ann-comment {
  width: 100%; background: var(--btn-bg); color: var(--text-light);
  border: 1px solid var(--border-color); border-radius: 4px; padding: 6px;
  font-size: 0.8rem; resize: vertical;
}
.ann-actions { display: flex; gap: 4px; margin-top: 6px; }
.ann-actions .btn { flex: 1; font-size: 0.75rem; }
.move-nag { color: #e8a735; font-weight: 700; margin-left: 1px; }
.move-comment-row {
  padding: 2px 8px 2px 28px; font-size: 0.72rem; color: #999;
  font-style: italic; line-height: 1.3;
}

/* ============================================================
   FEATURE 5: Lichess Game Import (v150)
   ============================================================ */
.lichess-import-form { display: flex; gap: 8px; margin-bottom: 10px; }
.lichess-username-input {
  flex: 1; background: var(--btn-bg); color: var(--text-light);
  border: 1px solid var(--border-color); padding: 8px 10px; border-radius: 6px;
  font-size: 0.85rem;
}
.lichess-game-controls { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 0.8rem; color: var(--text-color); }
.lichess-game-controls.hidden { display: none; }
.lichess-game-list { max-height: 320px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.lichess-game-row {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px;
  background: var(--btn-bg); border-radius: 4px; font-size: 0.8rem; cursor: pointer;
}
.lichess-game-row:hover { background: var(--hover-bg, #3a3733); }
.lichess-game-row input[type="checkbox"] { flex-shrink: 0; }
.lichess-game-players { flex: 1; color: var(--text-light); }
.lichess-result-badge {
  padding: 2px 6px; border-radius: 3px; font-weight: 600; font-size: 0.7rem;
}
.lichess-result-badge.win { background: #2e7d32; color: #fff; }
.lichess-result-badge.draw { background: #666; color: #ddd; }
.lichess-result-badge.loss { background: #c62828; color: #fff; }
.lichess-game-opening { color: #aaa; font-size: 0.72rem; }
.lichess-game-date { color: #888; font-size: 0.7rem; white-space: nowrap; }
.lichess-import-status { font-size: 0.8rem; color: var(--accent); margin-top: 6px; }

/* ============================================================
   FEATURE 6: Export Animated GIF (v151)
   ============================================================ */
.gif-settings { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.gif-setting-row { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-color); }
.gif-setting-row label { min-width: 90px; }
.gif-setting-row input[type="range"] { flex: 1; }
.gif-setting-row select {
  background: var(--btn-bg); color: var(--text-light); border: 1px solid var(--border-color);
  padding: 4px 8px; border-radius: 4px;
}
.gif-progress { margin-bottom: 10px; }
.gif-progress.hidden { display: none; }
.gif-progress-bar { height: 6px; background: #444; border-radius: 3px; overflow: hidden; margin-bottom: 4px; }
.gif-progress-fill { height: 100%; background: var(--accent); width: 0%; transition: width 0.2s; border-radius: 3px; }
#gif-progress-text { font-size: 0.75rem; color: #aaa; }
.gif-preview { text-align: center; margin-bottom: 10px; }
.gif-preview.hidden { display: none; }
.gif-preview img { max-width: 100%; max-height: 300px; border-radius: 6px; border: 1px solid var(--border-color); }

/* ============================================================
   FEATURE 7: Correspondence / Saved Games (v152)
   ============================================================ */
.saved-games-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.saved-games-count { font-size: 0.8rem; color: #aaa; }
.saved-games-list { max-height: 340px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.saved-game-card {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  background: var(--btn-bg); border-radius: 6px;
}
.saved-game-card:hover { background: var(--hover-bg, #3a3733); }
.saved-game-info { flex: 1; }
.saved-game-opponent { font-size: 0.85rem; color: var(--text-light); font-weight: 600; }
.saved-game-meta { font-size: 0.72rem; color: #888; }
.saved-game-moves-badge {
  font-size: 0.7rem; padding: 2px 6px; border-radius: 3px;
  background: var(--accent); color: #fff; font-weight: 600;
}
.saved-game-actions { display: flex; gap: 4px; }
.saved-game-actions .btn { font-size: 0.72rem; }
#btn-save-game.saved { color: var(--accent); }

/* ============================================================
   FEATURE 8: Board Scanner (v159)
   ============================================================ */
.scanner-dialog { max-width: 520px; width: 95vw; }
.scanner-preview-wrap {
  position: relative; aspect-ratio: 4/3; background: #000; border-radius: 6px;
  overflow: hidden; touch-action: none;
}
.scanner-preview-wrap video {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
#scanner-overlay {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1;
}
.scanner-controls { padding: 10px 0 0; }
.scanner-orient-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
}
.scanner-label {
  font-size: 0.75rem; text-transform: uppercase; color: #888; letter-spacing: 0.04em;
}
.scanner-orient-btn.active, .scanner-turn-btn.active {
  background: var(--accent); color: #fff;
}
.scanner-actions {
  display: flex; gap: 6px; margin-top: 8px;
}
.scanner-actions .btn { flex: 1; }
.scanner-hint {
  font-size: 0.72rem; color: #777; margin: 8px 0 0; text-align: center;
}

/* Results phase */
.scanner-mini-board {
  display: grid; grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(8, 1fr);
  width: 100%; max-width: 360px; aspect-ratio: 1; margin: 0 auto 10px;
  border-radius: 4px; overflow: hidden;
}
.scanner-sq {
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; position: relative; user-select: none;
}
.scanner-sq.light { background: var(--light-square); }
.scanner-sq.dark { background: var(--dark-square); }
.scanner-sq img { width: 80%; height: 80%; pointer-events: none; }
.scanner-sq:hover { outline: 2px solid var(--accent); outline-offset: -2px; }
.scanner-sq.low-confidence::after {
  content: '?'; position: absolute; top: 1px; right: 3px;
  font-size: 0.6rem; font-weight: 700; color: #e53935;
}
.scanner-result-controls { padding: 4px 0 0; }
.scanner-fen-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.scanner-fen-field {
  flex: 1; background: var(--btn-bg); border: 1px solid var(--border-color);
  color: var(--text-light); padding: 6px 8px; border-radius: 4px;
  font-family: monospace; font-size: 0.75rem;
}
.scanner-fen-field.invalid { border-color: #c33 !important; }
.scanner-meta-row {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px;
}
.scanner-confidence { font-size: 0.75rem; color: #aaa; }
.scanner-turn-row { display: flex; align-items: center; gap: 6px; }

@media (max-width: 600px) {
  .scanner-dialog {
    max-width: 100vw; width: 100vw; height: 100vh; max-height: 100vh;
    border-radius: 0; margin: 0;
  }
  .scanner-preview-wrap { aspect-ratio: auto; height: 50vh; }
  .scanner-mini-board { max-width: 100%; }
}

/* === Custom Bot Builder === */
.bot-create-card {
  justify-content: center;
  gap: 6px;
  color: var(--accent);
  border: 2px dashed var(--accent);
  opacity: 0.7;
  margin: 6px 4px;
  padding: 8px;
}
.bot-create-card:hover { opacity: 1; }
.bot-create-plus { font-size: 1.3rem; font-weight: 700; line-height: 1; }
.bot-create-text { font-size: 0.75rem; font-weight: 600; }
.bot-edit-icon {
  position: absolute;
  top: 2px; right: 4px;
  font-size: 0.7rem;
  color: #999;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
}
.bot-edit-icon:hover { color: var(--accent); background: rgba(255,255,255,0.08); }

.dialog-bot-builder { max-width: 640px; width: 95vw; }
.bot-builder-body {
  display: flex;
  gap: 20px;
  padding: 12px 0;
  max-height: 65vh;
  overflow-y: auto;
}
.bot-builder-left { flex: 1; min-width: 0; }
.bot-builder-right { width: 180px; flex-shrink: 0; }
.bb-field { margin-bottom: 12px; }
.bb-field label { display: block; font-size: 0.75rem; color: #aaa; margin-bottom: 4px; font-weight: 600; }
.bb-field input[type="text"] {
  width: 100%; padding: 6px 8px; font-size: 0.85rem;
  background: rgba(0,0,0,0.3); border: 1px solid var(--border-color);
  border-radius: 4px; color: var(--text-color); box-sizing: border-box;
}

.bb-avatar-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
}
.bb-avatar-opt {
  width: 100%; aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 3px;
  background: rgba(0,0,0,0.2);
  transition: border-color 0.15s;
}
.bb-avatar-opt:hover { border-color: #888; }
.bb-avatar-opt.selected { border-color: var(--accent); background: rgba(129,182,76,0.15); }
.bb-avatar-opt img { width: 100%; height: 100%; display: block; }

.bb-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #444;
  outline: none;
}
.bb-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.bb-range-labels { display: flex; justify-content: space-between; font-size: 0.65rem; color: #666; }

.bb-styles { display: flex; flex-direction: column; gap: 6px; }
.bb-style-row { display: flex; align-items: center; gap: 6px; }
.bb-style-label { width: 80px; font-size: 0.7rem; color: #bbb; text-align: right; flex-shrink: 0; }
.bb-style-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: #444;
  outline: none;
}
.bb-style-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.bb-style-val { width: 18px; font-size: 0.7rem; color: #aaa; text-align: center; }

/* Preview card */
.bb-preview-card {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px 12px;
  text-align: center;
  margin-top: 4px;
}
.bb-preview-portrait { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 8px; }
.bb-preview-name { font-size: 0.9rem; font-weight: 700; color: var(--text-color); }
.bb-preview-sub { font-size: 0.7rem; color: #999; margin: 2px 0 6px; }
.bb-preview-rating { font-size: 0.75rem; color: var(--accent); font-weight: 600; }
.bb-preview-styles { margin-top: 10px; text-align: left; }
.bb-preview-srow { display: flex; align-items: center; gap: 4px; margin: 2px 0; }
.bb-preview-slbl { width: 60px; font-size: 0.6rem; color: #888; text-align: right; flex-shrink: 0; }
.bb-preview-sbar { flex: 1; height: 3px; background: #333; border-radius: 2px; overflow: hidden; }
.bb-preview-sfill { height: 100%; border-radius: 2px; transition: width 0.2s; }
.bb-preview-sfill.low { background: #5a8f3c; }
.bb-preview-sfill.mid { background: #c4a93e; }
.bb-preview-sfill.high { background: #c45a3e; }

.btn-danger { background: #8b2020; color: #f0e8d8; border: none; }
.btn-danger:hover { background: #a52a2a; }

@media (max-width: 600px) {
  .bot-builder-body { flex-direction: column; }
  .bot-builder-right { width: 100%; }
  .dialog-bot-builder { max-width: 100vw; }
  .bb-avatar-grid { grid-template-columns: repeat(4, 1fr); }
}

/* =================================================================
   Mobile Bottom Tab Navigation
   ================================================================= */
.mobile-nav {
  display: none;
}

@media (max-width: 768px) {
  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    background: #1a1a1a;
    border-top: 1px solid #333;
    padding-bottom: env(safe-area-inset-bottom);
    height: 50px;
    align-items: stretch;
    gap: 0;
  }

  .mobile-nav-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    background: none;
    border: none;
    color: #888;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 4px 0;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
    -webkit-tap-highlight-color: transparent;
    position: relative;
  }

  .mobile-nav-tab .tab-icon {
    font-size: 1.15rem;
    line-height: 1;
  }

  .mobile-nav-tab.active {
    color: #d4af37;
  }

  .mobile-nav-tab.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 25%;
    right: 25%;
    height: 2px;
    background: #d4af37;
    border-radius: 0 0 2px 2px;
  }

  .mobile-nav-tab:active {
    background: rgba(255,255,255,0.05);
  }

  /* When in landscape, hide mobile nav (side panel is visible) */
  @media (orientation: landscape) {
    .mobile-nav {
      display: none;
    }
  }
}