/* ==========================================================================
   NAIJA DRAUGHTS (NIGERIAN DRAFT) - LUXURY STYLESHEET
   Deep mahogany woodcraft, brass inlays, glassmorphic HUD & 3D tactile pieces
   ========================================================================== */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --panel-bg: rgba(22, 27, 34, 0.82);
  --panel-border: rgba(240, 185, 11, 0.2);
  --accent-green: #008751;       /* Nigerian Emerald */
  --accent-green-glow: rgba(0, 135, 81, 0.4);
  --accent-gold: #f5a623;        /* Warm Brass/Gold */
  --accent-gold-glow: rgba(245, 166, 35, 0.45);
  --accent-red: #e74c3c;
  --accent-red-glow: rgba(231, 76, 60, 0.5);
  
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --text-dim: #484f58;

  /* Board & Wood Craft */
  --wood-rim-dark: #2c1609;
  --wood-rim-light: #4a2711;
  --sq-light: #e8d0aa;
  --sq-light-edge: #d4b88c;
  --sq-dark: #4a2f1d;
  --sq-dark-grain: #331d10;

  /* Piece Styling */
  --p1-light-base: #f9f6f0;
  --p1-light-rim: #d8cfc4;
  --p1-light-shadow: rgba(0, 0, 0, 0.45);
  --p2-dark-base: #1f1d20;
  --p2-dark-rim: #3d3b3e;
  --p2-dark-shadow: rgba(0, 0, 0, 0.65);

  --font-display: 'Cinzel', serif, Georgia;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.6);
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  background: radial-gradient(circle at 50% 20%, #1a2332 0%, #0d1117 75%, #05070a 100%);
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

/* ================= APP WRAPPER & HEADER ================= */

.app-wrapper {
  width: 100%;
  max-width: 1480px;
  padding: 16px 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.flag-stripes {
  display: flex;
  width: 24px;
  height: 38px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
}

.flag-stripes .stripe {
  flex: 1;
  height: 100%;
}

.flag-stripes .green { background-color: var(--accent-green); }
.flag-stripes .white { background-color: #ffffff; }

.brand-text {
  display: flex;
  flex-direction: column;
}

.game-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 2px;
  font-weight: 900;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.game-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* BUTTONS */
.btn {
  font-family: var(--font-body);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--accent-gold);
  transform: translateY(-1px);
}

.btn-icon {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 8px 12px;
}
.btn-icon:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-gold);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.82rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.btn-small:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-green) 0%, #00b368 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-green-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #009d5e 0%, #00ca76 100%);
  box-shadow: 0 6px 18px rgba(0, 135, 81, 0.6);
  transform: translateY(-1px);
}

.btn-large {
  padding: 12px 28px;
  font-size: 1.05rem;
}

/* ================= GAME MAIN CONTAINER ================= */

.game-container {
  display: grid;
  grid-template-columns: 280px 1fr 280px;
  gap: 20px;
  align-items: start;
}

/* ================= SIDEBARS (PLAYER CARDS) ================= */

.sidebar {
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

.player-header {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.15), 0 4px 8px rgba(0, 0, 0, 0.5);
}

.p1-avatar {
  background: radial-gradient(circle at 30% 30%, #ffffff, #d8cfc4);
  border: 2px solid #ecd8c2;
}

.p2-avatar {
  background: radial-gradient(circle at 30% 30%, #3e3b40, #151316);
  border: 2px solid var(--accent-gold);
}

.piece-icon {
  display: inline-block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
}
.p1-seed { background: #fdfbf7; border: 2px solid #bda893; }
.p2-seed { background: #262428; border: 2px solid #5a5460; }

.player-meta {
  flex: 1;
}

.player-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.player-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.turn-indicator {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-med);
}

.turn-indicator.active {
  background: var(--accent-green-glow);
  color: #34d399;
  border-color: #10b981;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
  animation: pulseTurn 1.8s infinite;
}

@keyframes pulseTurn {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-gold);
}

/* Captured Trays */
.captured-tray {
  background: rgba(0, 0, 0, 0.25);
  padding: 10px;
  border-radius: var(--radius-sm);
  min-height: 75px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tray-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.captured-pieces-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 28px;
}

.mini-captured-piece {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}
.mini-p1 { background: #f4eee2; border: 1px solid #c9baa8; }
.mini-p2 { background: #2a282c; border: 1px solid #57525c; }
.mini-king { position: relative; }
.mini-king::after {
  content: '👑';
  font-size: 10px;
  position: absolute;
  top: -3px;
  left: 2px;
}

/* Street Commentary Ticker */
.commentary-box {
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.08) 0%, rgba(0, 135, 81, 0.08) 100%);
  border: 1px solid rgba(245, 166, 35, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.commentary-header {
  margin-bottom: 4px;
}

.speaker-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.4px;
}

.commentary-text {
  font-size: 0.85rem;
  font-style: italic;
  color: #e6edf3;
  line-height: 1.35;
}

/* History List Panel */
.history-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.move-count {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 0.7rem;
}

.history-list {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
  max-height: 220px;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: monospace;
  font-size: 0.8rem;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
}
.history-item:hover {
  background: rgba(255, 255, 255, 0.07);
}
.history-item.is-capture {
  color: #fca5a5;
  border-left: 2px solid var(--accent-red);
}

.history-empty {
  color: var(--text-dim);
  font-style: italic;
  text-align: center;
  padding: 16px 0;
  font-size: 0.8rem;
}

/* ================= CENTER: BOARD ARENA ================= */

.board-arena {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* Quick Bar Toggles */
.quick-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.mode-toggles {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.select-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.select-wrapper select {
  background: #21262d;
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-family: var(--font-body);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.select-wrapper select:hover,
.select-wrapper select:focus {
  border-color: var(--accent-gold);
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Status Banner */
.status-banner {
  background: rgba(13, 17, 23, 0.9);
  border: 1px solid rgba(245, 166, 35, 0.3);
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-main);
  text-align: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-fast);
}

.status-banner.alert-warning {
  border-color: var(--accent-red);
  background: rgba(45, 15, 15, 0.9);
  color: #ff9999;
  box-shadow: 0 0 14px var(--accent-red-glow);
}

.status-banner.alert-victory {
  border-color: #10b981;
  background: rgba(6, 44, 28, 0.94);
  color: #a7f3d0;
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.5);
  font-weight: 700;
}

.status-banner.alert-gameover {
  border-color: #ef4444;
  background: rgba(50, 12, 12, 0.94);
  color: #fca5a5;
  box-shadow: 0 0 18px rgba(239, 68, 68, 0.5);
  font-weight: 700;
}

/* ================= 10x10 WOOD CRAFT DRAUGHTS BOARD ================= */

.board-wood-frame {
  position: relative;
  padding: 22px;
  border-radius: 18px;
  background: linear-gradient(135deg, #3d1c08 0%, #1f0b02 50%, #4a210a 100%);
  box-shadow: 
    0 20px 48px rgba(0, 0, 0, 0.8),
    inset 0 2px 4px rgba(255, 255, 255, 0.2),
    inset 0 -3px 6px rgba(0, 0, 0, 0.6);
  border: 3px solid #582e14;
}

/* Brass Corner Plates */
.board-wood-frame::before,
.board-wood-frame::after {
  content: '';
  position: absolute;
  width: 26px;
  height: 26px;
  pointer-events: none;
  border-color: var(--accent-gold);
  opacity: 0.75;
}
.board-wood-frame::before {
  top: 6px;
  left: 6px;
  border-top: 3px solid;
  border-left: 3px solid;
  border-top-left-radius: 6px;
}
.board-wood-frame::after {
  bottom: 6px;
  right: 6px;
  border-bottom: 3px solid;
  border-right: 3px solid;
  border-bottom-right-radius: 6px;
}

.board-inner {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(10, 1fr);
  width: min(72vw, 560px);
  height: min(72vw, 560px);
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 0 16px rgba(0, 0, 0, 0.8), 0 4px 12px rgba(0, 0, 0, 0.5);
  border: 2px solid #231207;
  background-color: var(--sq-dark);
}

/* Board Flip Transformation */
.board-wood-frame.flipped .board-inner {
  transform: rotate(180deg);
}
.board-wood-frame.flipped .piece {
  transform: rotate(180deg);
}

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

.square.light {
  background: radial-gradient(circle at 50% 50%, var(--sq-light) 0%, var(--sq-light-edge) 100%);
  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.05);
}

.square.dark {
  background: radial-gradient(circle at 40% 40%, var(--sq-dark) 0%, var(--sq-dark-grain) 100%);
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.4);
}

.square.central-line-sq {
  background: radial-gradient(circle at 40% 40%, #523522 0%, #351e10 100%);
  box-shadow: inset 0 0 8px rgba(245, 166, 35, 0.2), inset 0 1px 2px rgba(245, 166, 35, 0.15);
}

/* Subtle coordinate labels on edge squares */
.square-coord {
  position: absolute;
  font-size: 0.62rem;
  font-weight: 700;
  pointer-events: none;
  opacity: 0.45;
  font-family: monospace;
}
.square-coord.row-label { top: 2px; left: 3px; color: #ffebcd; }
.square-coord.col-label { bottom: 2px; right: 3px; color: #ffebcd; }

/* Move Hints & Highlights */
.square.valid-target {
  cursor: pointer;
}

.square.valid-target::after {
  content: '';
  position: absolute;
  width: 32%;
  height: 32%;
  background: radial-gradient(circle, #34d399 0%, #059669 100%);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.8), inset 0 1px 2px rgba(255, 255, 255, 0.6);
  animation: pulseDot 1.4s infinite alternate;
  pointer-events: none;
}

.square.valid-capture-target::after {
  background: radial-gradient(circle, #f87171 0%, #dc2626 100%);
  box-shadow: 0 0 14px rgba(220, 38, 38, 0.9), inset 0 1px 2px rgba(255, 255, 255, 0.6);
  animation: pulseTarget 1s infinite alternate;
}

@keyframes pulseDot {
  from { transform: scale(0.75); opacity: 0.7; }
  to { transform: scale(1.15); opacity: 1; }
}
@keyframes pulseTarget {
  from { transform: scale(0.85); opacity: 0.8; }
  to { transform: scale(1.25); opacity: 1; }
}

/* ================= 3D PIECES (SEEDS) ================= */

.piece {
  width: 82%;
  height: 82%;
  border-radius: 50%;
  position: relative;
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  z-index: 10;
}

.piece:active {
  cursor: grabbing;
}

/* Player 1 (Ivory / Warm Cream) */
.piece.p1 {
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, var(--p1-light-base) 45%, var(--p1-light-rim) 100%);
  box-shadow: 
    0 6px 12px var(--p1-light-shadow),
    inset 0 3px 5px rgba(255, 255, 255, 0.9),
    inset 0 -3px 5px rgba(0, 0, 0, 0.35);
  border: 1px solid #ded6ca;
}

/* Player 2 (Ebony / Obsidian with Gold Trim) */
.piece.p2 {
  background: radial-gradient(circle at 35% 30%, #3a373d 0%, var(--p2-dark-base) 50%, #0d0c0e 100%);
  box-shadow: 
    0 6px 12px var(--p2-dark-shadow),
    inset 0 2px 4px rgba(255, 255, 255, 0.35),
    inset 0 -3px 6px rgba(0, 0, 0, 0.8);
  border: 1px solid #4a444f;
}

/* Concentric Rings Carved on Top of Draughts Seed */
.piece::before {
  content: '';
  position: absolute;
  width: 62%;
  height: 62%;
  border-radius: 50%;
  border: 1.5px dashed rgba(0, 0, 0, 0.2);
  pointer-events: none;
}
.piece.p2::before {
  border-color: rgba(245, 166, 35, 0.3);
}

/* Selected Piece State */
.piece.selected {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.6), 0 0 18px var(--accent-gold-glow);
  outline: 2.5px solid var(--accent-gold);
}

/* Mandatory Capture Glow ("Must Chop!") */
.piece.must-capture {
  animation: pulseMustChop 1.2s infinite alternate;
}

@keyframes pulseMustChop {
  from {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5), 0 0 8px rgba(239, 68, 68, 0.4);
    outline: 2px solid rgba(239, 68, 68, 0.6);
  }
  to {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6), 0 0 18px rgba(239, 68, 68, 0.95);
    outline: 3px solid #ef4444;
  }
}

/* ================= FLYING KING ("OBA") STYLING ================= */

.piece.king::after {
  content: '👑';
  font-size: clamp(14px, 2.2vw, 22px);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8));
  pointer-events: none;
  animation: crownShine 3s infinite ease-in-out;
}

@keyframes crownShine {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8)); }
  50% { transform: scale(1.15); filter: drop-shadow(0 0 8px rgba(245, 166, 35, 0.9)); }
}

.piece.p1.king {
  border: 2px solid var(--accent-gold);
}
.piece.p2.king {
  border: 2px solid #ffd700;
}

/* ================= MODALS ================= */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
  padding: 20px 16px;
  overflow-y: auto;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 620px;
  max-height: min(90vh, 850px);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 32px rgba(245, 166, 35, 0.15);
  display: flex;
  flex-direction: column;
  padding: 0;
  gap: 0;
  margin: auto;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--transition-med);
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 24px;
  flex-shrink: 0;
  background: rgba(10, 14, 20, 0.6);
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flag-icon {
  font-size: 1.6rem;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent-gold);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}
.modal-close:hover { color: #fff; }

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #c9d1d9;
  padding: 20px 24px;
  flex: 1 1 0px;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(245, 166, 35, 0.4) rgba(0, 0, 0, 0.2);
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}
.modal-body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}
.modal-body::-webkit-scrollbar-thumb {
  background: rgba(245, 166, 35, 0.35);
  border-radius: 4px;
}
.modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(245, 166, 35, 0.65);
}

.rule-section {
  background: rgba(0, 0, 0, 0.25);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid rgba(255, 255, 255, 0.15);
}

.rule-section h3 {
  font-size: 0.98rem;
  color: #ffffff;
  margin-bottom: 6px;
  font-weight: 700;
}

.rule-section.highlight-rule {
  background: rgba(0, 135, 81, 0.1);
  border-left: 3px solid var(--accent-green);
}
.rule-section.highlight-rule h3 {
  color: #34d399;
}

.rule-section ul {
  padding-left: 18px;
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 24px;
  flex: 0 0 auto;
  flex-shrink: 0;
  background: rgba(10, 14, 20, 0.85);
  z-index: 10;
}

.auth-card {
  padding: 24px !important;
  overflow-y: auto !important;
  gap: 16px !important;
}

/* Victory Modal Specifics */
.game-over-card {
  text-align: center;
  align-items: center;
  padding: 36px 28px !important;
  max-width: 440px;
  overflow-y: auto !important;
  gap: 16px !important;
}

.winner-trophy {
  font-size: 3.8rem;
  margin-bottom: 8px;
  animation: bounceTrophy 1.6s infinite alternate;
}

@keyframes bounceTrophy {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}

.game-over-title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-gold);
  letter-spacing: 2px;
}

.game-over-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.game-over-stats {
  display: flex;
  justify-content: center;
  gap: 16px;
  width: 100%;
  margin: 12px 0 20px;
}

.go-stat {
  background: rgba(0, 0, 0, 0.3);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.go-stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-green);
}

.go-stat-lbl {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ================= RESPONSIVE LAYOUT ================= */

@media (max-width: 1120px) {
  .game-container {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .sidebar {
    width: 100%;
    max-width: 580px;
  }
  .board-arena {
    order: -1;
  }
}

@media (max-width: 640px) {
  .app-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .header-actions {
    align-self: flex-end;
  }
  .quick-bar {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }
  .mode-toggles {
    justify-content: space-between;
  }
  .board-inner {
    width: 88vw;
    height: 88vw;
  }
  .board-wood-frame {
    padding: 12px;
  }
}

/* ================= AUTH SECTION & USER PILL ================= */

.auth-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--accent-gold);
  border-radius: 20px;
  padding: 4px 12px 4px 6px;
  box-shadow: 0 0 10px rgba(245, 166, 35, 0.25);
}

.user-pill-avatar {
  font-size: 1.1rem;
}

.user-pill-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: #ffffff;
}

.user-pill-rating {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--accent-green);
  background: rgba(0, 135, 81, 0.25);
  padding: 2px 6px;
  border-radius: 10px;
  border: 1px solid rgba(0, 135, 81, 0.5);
}

/* Auth Modal Specifics */
.auth-card {
  max-width: 440px;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 12px;
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 0;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.auth-tab:hover {
  color: var(--text-main);
}

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

.auth-alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 12px;
}
.auth-alert.error {
  background: rgba(220, 38, 38, 0.2);
  border: 1px solid rgba(220, 38, 38, 0.5);
  color: #fca5a5;
}
.auth-alert.success {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #6ee7b7;
}

.auth-form {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.auth-form.active {
  display: flex;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.form-group input {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(245, 166, 35, 0.2);
}

.btn-block {
  width: 100%;
  justify-content: center;
  margin-top: 6px;
}

/* ================= LEADERBOARD MODAL ================= */

.leaderboard-card {
  max-width: 740px;
}

.leaderboard-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.leaderboard-table th {
  background: rgba(0, 0, 0, 0.4);
  color: var(--accent-gold);
  padding: 12px 14px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.leaderboard-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: #e6edf3;
}

.leaderboard-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.rank-badge {
  font-weight: 800;
  display: inline-block;
  min-width: 24px;
}

.rank-gold { color: #ffd700; font-size: 1.1rem; }
.rank-silver { color: #c0c0c0; font-size: 1.05rem; }
.rank-bronze { color: #cd7f32; font-size: 1rem; }

.rating-badge {
  font-weight: 700;
  color: #38bdf8;
}

/* ================= MATCH HISTORY MODAL ================= */

.history-card {
  max-width: 680px;
}

.matches-history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 480px;
  overflow-y: auto;
}

.match-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.match-meta-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.match-opponents {
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
}

.match-subinfo {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.match-badge {
  font-weight: 800;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
}

.match-badge.won {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid #10b981;
}

.match-badge.lost {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid #ef4444;
}

.match-badge.draw {
  background: rgba(156, 163, 175, 0.2);
  color: #d1d5db;
  border: 1px solid #9ca3af;
}

/* ================= AFRODRAUGHT-STYLE MAIN NAVIGATION ================= */

.nav-brand-container {
  display: flex;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  background: none;
  border: 1px solid transparent;
  color: #c9d1d9;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
}

.nav-link.btn-nav-highlight {
  background: linear-gradient(135deg, var(--accent-green) 0%, #00b368 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--accent-green-glow);
}

.nav-link.btn-nav-highlight:hover {
  background: linear-gradient(135deg, #009d5e 0%, #00ca76 100%);
  box-shadow: 0 6px 16px rgba(0, 135, 81, 0.6);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  position: absolute;
  top: 4px;
  right: 6px;
  box-shadow: 0 0 6px var(--accent-gold);
}

.header-right-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ================= LIVE CLOCKS ================= */

.clock-badge {
  font-family: monospace;
  font-size: 1.15rem;
  font-weight: 800;
  background: #090d13;
  color: #94a3b8;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  letter-spacing: 1px;
  transition: all var(--transition-fast);
}

.clock-badge.active {
  color: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 0 10px rgba(0, 135, 81, 0.35);
}

.clock-badge.urgent {
  color: #ef4444;
  border-color: #ef4444;
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.6);
  animation: urgentBlink 0.9s infinite alternate;
}

@keyframes urgentBlink {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0.7; transform: scale(1.05); }
}

/* Quick Status Bar */
.quick-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 4px;
  font-size: 0.82rem;
}

.highway-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-gold);
  font-weight: 600;
}

.highway-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 8px var(--accent-gold);
}

.quick-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ================= FLOATING DOCKS (ANALYSIS & REPLAY) ================= */

.floating-dock {
  display: none;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  width: 100%;
  max-width: 900px;
  margin: 0 auto 10px;
  animation: slideDown 0.25s ease-out;
}

.floating-dock.active {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.dock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.dock-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--accent-gold);
}

.eval-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 700;
}

.eval-bar-track {
  width: 120px;
  height: 10px;
  background: #334155;
  border-radius: 5px;
  overflow: hidden;
}

.eval-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981 0%, #38bdf8 100%);
  transition: width 0.3s ease;
}

.palette-tools {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.palette-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.palette-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.palette-btn.active {
  background: var(--accent-green);
  color: #ffffff;
  border-color: #34d399;
  box-shadow: 0 0 10px var(--accent-green-glow);
}

.dock-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dock-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.eval-recommendation {
  font-size: 0.82rem;
  color: #93c5fd;
  font-style: italic;
  padding: 4px 8px;
  background: rgba(56, 189, 248, 0.1);
  border-radius: 4px;
}

/* ================= SLIDE-OUT LIVE CHAT DRAWER ================= */

.chat-drawer {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 340px;
  height: 480px;
  background: var(--bg-secondary);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 24px rgba(0, 0, 0, 0.8);
  z-index: 900;
  display: flex;
  flex-direction: column;
  transform: translateY(110%);
  transition: transform var(--transition-med);
  overflow: hidden;
}

.chat-drawer.active {
  transform: translateY(0);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent-gold);
}

.chat-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}

.chat-shout-bar {
  display: flex;
  gap: 5px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.2);
  overflow-x: auto;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-shout-btn {
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid rgba(245, 166, 35, 0.35);
  color: #fde68a;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.chat-shout-btn:hover {
  background: var(--accent-gold);
  color: #000;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-bubble {
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  align-self: flex-start;
  max-width: 85%;
}

.chat-bubble.me {
  background: rgba(0, 135, 81, 0.25);
  border: 1px solid rgba(0, 135, 81, 0.4);
  align-self: flex-end;
}

.chat-bubble.shout {
  border-left: 3px solid var(--accent-gold);
  background: rgba(245, 166, 35, 0.1);
  font-weight: 600;
}

.chat-sender {
  font-size: 0.68rem;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 2px;
}

.chat-input-form {
  display: flex;
  gap: 6px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.35);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.chat-input-form input {
  flex: 1;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
  outline: none;
}

/* ================= PLAYERS DIRECTORY & TOURNAMENTS ================= */

.modal-large {
  max-width: 850px;
}

.search-bar-row {
  margin-bottom: 14px;
}

.search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.9rem;
  outline: none;
}

.players-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  max-height: 480px;
  overflow-y: auto;
}

.player-dir-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
}

.player-dir-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.player-avatar-box {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #f5a623, #b45309);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.player-info-meta {
  flex: 1;
}

.player-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.player-username {
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
}

.player-country {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.player-stats-mini {
  display: flex;
  gap: 8px;
  font-size: 0.72rem;
  margin-top: 4px;
}

/* Tournaments Cards */
.tournaments-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 520px;
  overflow-y: auto;
}

.tournament-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tournament-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tournament-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.tournament-meta-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.meta-pill {
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
}

.meta-pill.prize {
  background: rgba(0, 135, 81, 0.25);
  color: #34d399;
  border: 1px solid #10b981;
}

.bracket-tree {
  background: rgba(0, 0, 0, 0.4);
  padding: 12px;
  border-radius: var(--radius-sm);
  display: flex;
  gap: 14px;
  overflow-x: auto;
}

.bracket-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 160px;
}

.bracket-round-title {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
}

.bracket-match-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bracket-player {
  display: flex;
  justify-content: space-between;
}
.bracket-player.winner {
  color: var(--accent-gold);
  font-weight: 700;
}

.bracket-match-box.ready {
  border-color: rgba(34, 197, 94, 0.6);
  background: rgba(34, 197, 94, 0.08);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.2);
}
.bracket-match-box.user-match {
  border-color: var(--accent-gold);
  background: rgba(234, 179, 8, 0.1);
  box-shadow: 0 0 14px rgba(234, 179, 8, 0.3);
}
.bracket-player-slot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 0;
}
.bracket-seed-badge {
  font-size: 0.65rem;
  background: rgba(255, 255, 255, 0.12);
  color: #94a3b8;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
  margin-right: 4px;
}
.bracket-match-action {
  margin-top: 5px;
  display: flex;
  gap: 6px;
}
.btn-bracket-play {
  flex: 1;
  padding: 4px 8px;
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.4);
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn-bracket-play:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}
.btn-bracket-watch {
  padding: 4px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  cursor: pointer;
}
.btn-bracket-watch:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}
.tournament-champ-banner {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.2), rgba(202, 138, 4, 0.1));
  border: 1px solid rgba(234, 179, 8, 0.4);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.tournament-champ-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--accent-gold);
  font-size: 0.95rem;
}
.tournament-champ-sub {
  font-size: 0.8rem;
  color: #e2e8f0;
}
.tournament-reg-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.btn-join-championship {
  background: linear-gradient(135deg, #eab308, #ca8a04);
  color: #000000;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 3px 10px rgba(234, 179, 8, 0.35);
  transition: all 0.2s ease;
}
.btn-join-championship:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 5px 14px rgba(234, 179, 8, 0.5);
}
.badge-registered-chip {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.4);
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* Setup Form */
.setup-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.setup-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.setup-field label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.form-select {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}

/* ================= ONLINE MULTIPLAYER ROOM BANNER ================= */

.online-room-banner {
  max-width: 1360px;
  margin: 12px auto 0;
  padding: 10px 20px;
  background: rgba(0, 135, 81, 0.15);
  border: 1px solid rgba(0, 135, 81, 0.4);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  backdrop-filter: blur(8px);
}

.room-banner-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.room-live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulseDot 1.4s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.room-code-tag {
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-gold);
  background: rgba(0, 0, 0, 0.4);
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid rgba(245, 166, 35, 0.3);
  letter-spacing: 1px;
}

.room-status-tag {
  font-size: 0.88rem;
  color: #cbd5e1;
  font-weight: 600;
}

.room-banner-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   BOARD THEMES & CUSTOMIZATION SUITE
   ========================================================================== */

/* 1. Default African Mahogany & Brass (Built-in standard) */
.board-wood-frame.theme-default {
  background: linear-gradient(135deg, #3d1c08 0%, #1f0b02 50%, #4a210a 100%);
  border-color: #582e14;
}

/* 2. Eco Giant (Lush Forest Emerald & Mint Marble) */
.board-wood-frame.theme-eco-giant {
  background: linear-gradient(135deg, #16382b 0%, #0a1c15 50%, #1e4536 100%);
  border-color: #1b4d3e;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.85), 0 0 24px rgba(16, 185, 129, 0.2);
}
.board-wood-frame.theme-eco-giant .square.light {
  background: radial-gradient(circle at 50% 50%, #e2f0d9 0%, #c5e1b5 100%);
}
.board-wood-frame.theme-eco-giant .square.dark {
  background: radial-gradient(circle at 40% 40%, #1b4d3e 0%, #0f3026 100%);
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.5);
}
.board-wood-frame.theme-eco-giant .square.central-line-sq {
  background: radial-gradient(circle at 40% 40%, #2e6b57 0%, #174235 100%);
  box-shadow: inset 0 0 8px rgba(52, 211, 153, 0.35);
}

/* 3. Golden State (Royal Gold & Deep Jet Obsidian) */
.board-wood-frame.theme-golden-state {
  background: linear-gradient(135deg, #241d08 0%, #0f0c03 50%, #302609 100%);
  border-color: #f5a623;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.9), 0 0 30px rgba(245, 166, 35, 0.3);
}
.board-wood-frame.theme-golden-state .square.light {
  background: radial-gradient(circle at 50% 50%, #fcd34d 0%, #f59e0b 100%);
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1);
}
.board-wood-frame.theme-golden-state .square.dark {
  background: radial-gradient(circle at 40% 40%, #18181b 0%, #09090b 100%);
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.7);
}
.board-wood-frame.theme-golden-state .square.central-line-sq {
  background: radial-gradient(circle at 40% 40%, #b45309 0%, #78350f 100%);
  box-shadow: inset 0 0 10px rgba(253, 224, 71, 0.4);
}

/* 4. Safari Land (Savannah Amber & Dark Acacia Teak) */
.board-wood-frame.theme-safari-land {
  background: linear-gradient(135deg, #452309 0%, #241103 50%, #522b0c 100%);
  border-color: #78350f;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.8), 0 0 20px rgba(217, 119, 6, 0.25);
}
.board-wood-frame.theme-safari-land .square.light {
  background: radial-gradient(circle at 50% 50%, #fde68a 0%, #d97706 100%);
}
.board-wood-frame.theme-safari-land .square.dark {
  background: radial-gradient(circle at 40% 40%, #5c3a21 0%, #3d2412 100%);
}
.board-wood-frame.theme-safari-land .square.central-line-sq {
  background: radial-gradient(circle at 40% 40%, #78492a 0%, #4a2c17 100%);
  box-shadow: inset 0 0 8px rgba(245, 158, 11, 0.3);
}

/* 5. Mineral Grove (Deep Jade & Polished Slate) */
.board-wood-frame.theme-mineral-grove {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #334155 100%);
  border-color: #2dd4bf;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.85), 0 0 24px rgba(45, 212, 191, 0.25);
}
.board-wood-frame.theme-mineral-grove .square.light {
  background: radial-gradient(circle at 50% 50%, #99f6e4 0%, #2dd4bf 100%);
}
.board-wood-frame.theme-mineral-grove .square.dark {
  background: radial-gradient(circle at 40% 40%, #334155 0%, #1e293b 100%);
}
.board-wood-frame.theme-mineral-grove .square.central-line-sq {
  background: radial-gradient(circle at 40% 40%, #0f766e 0%, #115e59 100%);
  box-shadow: inset 0 0 8px rgba(94, 234, 212, 0.35);
}

/* 6. Diamond Coast (Atlantic Deep Marine Blue & Pearl) */
.board-wood-frame.theme-diamond-coast {
  background: linear-gradient(135deg, #0c2340 0%, #05101d 50%, #14365d 100%);
  border-color: #38bdf8;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.85), 0 0 28px rgba(56, 189, 248, 0.25);
}
.board-wood-frame.theme-diamond-coast .square.light {
  background: radial-gradient(circle at 50% 50%, #e0f2fe 0%, #7dd3fc 100%);
}
.board-wood-frame.theme-diamond-coast .square.dark {
  background: radial-gradient(circle at 40% 40%, #0f3854 0%, #082032 100%);
}
.board-wood-frame.theme-diamond-coast .square.central-line-sq {
  background: radial-gradient(circle at 40% 40%, #0284c7 0%, #0369a1 100%);
  box-shadow: inset 0 0 10px rgba(56, 189, 248, 0.4);
}

/* ==========================================================================
   SEGMENTED OPTION BUTTONS & TOGGLE SWITCHES
   ========================================================================== */

.segmented-options {
  display: flex;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(245, 166, 35, 0.3);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 6px;
  margin-bottom: 16px;
}

.segmented-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.segmented-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.segmented-btn.active {
  background: linear-gradient(135deg, var(--accent-green) 0%, #05a867 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-green-glow);
}

.create-game-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.create-game-full {
  grid-column: 1 / -1;
}

.toggles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: rgba(0, 0, 0, 0.35);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.toggle-switch-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px;
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

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

.toggle-slider {
  position: relative;
  width: 46px;
  height: 24px;
  background-color: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background-color: #cbd5e1;
  border-radius: 50%;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-green);
  border-color: #34d399;
  box-shadow: 0 0 10px var(--accent-green-glow);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
  background-color: #ffffff;
}

.toggle-label-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.custom-coins-input-wrap {
  margin-top: 8px;
  display: none;
  animation: modalFadeIn 0.2s ease-out;
}

.create-game-modal-card {
  max-width: 680px !important;
}

@media (max-width: 680px) {
  .create-game-grid,
  .toggles-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   LIVE ENGINE TELEMETRY HUD
   ========================================================================== */
.engine-telemetry-panel {
  background: rgba(10, 15, 20, 0.88);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-top: 14px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.5), inset 0 0 12px rgba(16, 185, 129, 0.05);
  backdrop-filter: blur(8px);
}

.engine-telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 6px;
}

.engine-telemetry-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: #34d399;
  letter-spacing: 0.5px;
}

.engine-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #94a3b8;
  display: inline-block;
  transition: all var(--transition-fast);
}

.engine-pulse-dot.thinking {
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: enginePulse 1.2s infinite ease-in-out;
}

@keyframes enginePulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.engine-eval-badge {
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: #f1f5f9;
}

.engine-eval-badge.positive {
  color: #34d399;
  background: rgba(16, 185, 129, 0.15);
}

.engine-eval-badge.negative {
  color: #f87171;
  background: rgba(239, 68, 68, 0.15);
}

.engine-stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  text-align: center;
  margin-bottom: 8px;
}

@media (max-width: 640px) {
  .engine-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-cell, .engine-stat-item {
  background: rgba(0, 0, 0, 0.35);
  padding: 6px 4px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.stat-cell-lbl, .engine-stat-label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.stat-cell-val, .engine-stat-val {
  display: block;
  font-family: 'Outfit', monospace;
  font-size: 0.8rem;
  font-weight: 800;
  color: #f8fafc;
}

.engine-pv-box, .engine-pv-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: monospace;
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.45);
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.pv-lbl, .engine-pv-label {
  color: #38bdf8;
  font-weight: 800;
  white-space: nowrap;
}

.pv-line, .engine-pv-line {
  color: #cbd5e1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.engine-thinking-bar {
  height: 3px;
  background: linear-gradient(90deg, #008751, #facc15, #008751);
  background-size: 200% 100%;
  animation: thinkingSlide 1.2s infinite linear;
  border-radius: 2px;
  margin-top: 6px;
}

@keyframes thinkingSlide {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.engine-pulse-dot.thinking {
  background-color: #facc15;
  box-shadow: 0 0 8px #facc15;
  animation: pulseThink 0.8s infinite alternate;
}

@keyframes pulseThink {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0.4; transform: scale(1.3); }
}

/* =============================================================================
   RULESET SELECTOR SWITCHER BAR & PILLS
   ============================================================================= */
.ruleset-selector-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.8));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 8px 14px;
  margin-bottom: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  gap: 12px;
  flex-wrap: wrap;
}

.ruleset-bar-lbl {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
}

.ruleset-pills-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ruleset-radio-hidden {
  display: none;
}

.ruleset-pill-lbl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94a3b8;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.ruleset-pill-lbl:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateY(-1px);
}

.ruleset-pill-lbl.active {
  background: linear-gradient(135deg, rgba(0, 135, 81, 0.35), rgba(0, 190, 110, 0.2));
  border-color: #00e676;
  color: #f0fdf4;
  box-shadow: 0 0 14px rgba(0, 230, 118, 0.35);
  font-weight: 700;
}

.ruleset-pill-lbl .pill-flag {
  font-size: 1rem;
}

/* Telemetry HUD ruleset value styling */
.stat-cell-ruleset .val-ruleset {
  color: #4ade80 !important;
  font-weight: 800 !important;
  letter-spacing: 0.05em;
  text-shadow: 0 0 8px rgba(74, 222, 128, 0.4);
}

/* Tabbed Rulebook Panels */
.rule-tab-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ==========================================================================
   GAME SETUP / CREATE GAME MODAL STYLES (MATCH SETTINGS & TOGGLES)
   ========================================================================== */

.create-game-modal-card {
  max-width: 720px !important;
  width: 95% !important;
  height: 85vh !important;
  max-height: 820px !important;
  min-height: 420px !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
  margin: auto !important;
}

.create-game-form-wrapper {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 1 0px !important;
  height: calc(100% - 55px) !important;
  min-height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
}

.create-game-modal-body {
  padding: 20px 24px !important;
  flex: 1 1 0px !important;
  min-height: 0 !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch !important;
  scrollbar-width: thin !important;
  scrollbar-color: rgba(245, 166, 35, 0.4) rgba(0, 0, 0, 0.2) !important;
}

.create-game-section-title {
  grid-column: 1 / -1;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  margin-bottom: 2px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(245, 166, 35, 0.2);
}

.create-game-section-title:first-child {
  margin-top: 0;
}

.segmented-options {
  display: flex;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(245, 166, 35, 0.3);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 6px;
  margin-bottom: 16px;
}

.segmented-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.segmented-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.segmented-btn.active {
  background: linear-gradient(135deg, var(--accent-green) 0%, #05a867 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-green-glow);
}

.create-game-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.create-game-full {
  grid-column: 1 / -1;
}

.form-select {
  width: 100%;
  background-color: #161e2b;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  padding: 10px 38px 10px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23f5a623' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px rgba(245, 166, 35, 0.3);
}

.form-select option {
  background: #161e2b;
  color: #ffffff;
  padding: 8px 10px;
}

.form-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px rgba(245, 166, 35, 0.3);
}

.toggles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: rgba(0, 0, 0, 0.35);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.toggle-switch-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.toggle-switch-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(245, 166, 35, 0.25);
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

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

.toggle-slider {
  position: relative;
  width: 46px;
  height: 24px;
  background-color: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background-color: #cbd5e1;
  border-radius: 50%;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-green);
  border-color: #34d399;
  box-shadow: 0 0 10px var(--accent-green-glow);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
  background-color: #ffffff;
}

.toggle-label-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.custom-coins-input-wrap {
  margin-top: 8px;
  display: none;
  animation: modalFadeIn 0.2s ease-out;
}

@media (max-width: 680px) {
  .modal-overlay {
    padding: 10px;
  }
  .modal-card {
    max-height: calc(100vh - 20px);
  }
  .modal-body {
    padding: 16px;
  }
  .modal-footer {
    padding: 12px 16px;
    flex-wrap: wrap;
  }
  .modal-footer .btn {
    flex: 1;
    min-width: 130px;
    justify-content: center;
  }
  .create-game-grid,
  .toggles-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ================= WORLD-CLASS TACTICAL TRAPS & ACADEMY STYLES ================= */

/* Navigation Highlight for Traps */
.nav-highlight-traps {
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.18), rgba(217, 119, 6, 0.28)) !important;
  border: 1px solid rgba(245, 166, 35, 0.5) !important;
  color: #fef08a !important;
  font-weight: 700 !important;
  border-radius: 8px !important;
  transition: all 0.25s ease !important;
  box-shadow: 0 0 12px rgba(245, 166, 35, 0.25);
}

.nav-highlight-traps:hover {
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.35), rgba(217, 119, 6, 0.45)) !important;
  box-shadow: 0 0 20px rgba(245, 166, 35, 0.55);
  transform: translateY(-1px);
}

/* Board Tactical SVG Overlay (Diamond-Class Visual Arrows) */
.board-tactical-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 25;
  overflow: visible;
}

.tactical-arrow-path {
  fill: none;
  stroke: #f59e0b;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 8 4;
  animation: tacticalDash 1.2s linear infinite;
  filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.85));
}

.tactical-arrow-path.capture {
  stroke: #10b981;
  filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.9));
}

@keyframes tacticalDash {
  from { stroke-dashoffset: 24; }
  to { stroke-dashoffset: 0; }
}

/* Golden Trap Pulse on Board Squares */
@keyframes trapPulse {
  0% { box-shadow: inset 0 0 0 3px #f59e0b, 0 0 8px rgba(245, 158, 11, 0.6); }
  50% { box-shadow: inset 0 0 0 4px #fbbf24, 0 0 20px rgba(251, 191, 36, 0.9); }
  100% { box-shadow: inset 0 0 0 3px #f59e0b, 0 0 8px rgba(245, 158, 11, 0.6); }
}

.trap-hint-pulse {
  animation: trapPulse 1s infinite alternate !important;
  background-color: rgba(245, 158, 11, 0.35) !important;
  border-radius: 4px;
}

.trap-hint-target {
  animation: trapPulse 0.8s infinite alternate !important;
  background-color: rgba(16, 185, 129, 0.4) !important;
  border-radius: 4px;
}

/* Active Trap HUD Banner */
.trap-active-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 12px;
  padding: 12px 18px;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 16px rgba(245, 158, 11, 0.2);
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: modalFadeIn 0.3s ease-out;
}

.trap-active-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.trap-active-header .trap-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fde047;
  letter-spacing: 0.5px;
}

.trap-hud-actions {
  display: flex;
  gap: 8px;
}

.trap-brief {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin: 0;
  line-height: 1.4;
}

.trap-step-instruction {
  font-size: 0.88rem;
  color: #67e8f9;
  background: rgba(6, 182, 212, 0.12);
  border-left: 3px solid #06b6d4;
  padding: 6px 12px;
  border-radius: 0 6px 6px 0;
}

/* Trap Radar Indicator Button & Badge */
.btn-trap-radar-active {
  background: linear-gradient(135deg, #059669, #10b981) !important;
  color: #ffffff !important;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.6) !important;
  border-color: #34d399 !important;
}

.trap-radar-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid #f59e0b;
  color: #fef08a;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 700;
  animation: trapPulse 1.4s infinite;
}

/* Street Trap Academy Modal */
.trap-academy-card {
  max-width: 960px !important;
  width: 95% !important;
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%) !important;
  border: 1px solid rgba(245, 158, 11, 0.35) !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.9), 0 0 40px rgba(245, 158, 11, 0.18) !important;
}

.trap-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.trap-card {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  backdrop-filter: blur(10px);
}

.trap-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.6);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 18px rgba(245, 158, 11, 0.25);
}

.trap-card.completed {
  border-color: rgba(16, 185, 129, 0.5);
  background: rgba(16, 185, 129, 0.08);
}

.trap-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.trap-badge {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.18);
  color: #fef08a;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.trap-difficulty {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.trap-difficulty.beginner { background: rgba(52, 211, 153, 0.2); color: #34d399; }
.trap-difficulty.intermediate { background: rgba(56, 189, 248, 0.2); color: #38bdf8; }
.trap-difficulty.national-master { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.trap-difficulty.grandmaster { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.trap-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #f8fafc;
  margin: 0 0 8px 0;
}

.trap-card-desc {
  font-size: 0.82rem;
  color: #94a3b8;
  line-height: 1.45;
  margin: 0 0 14px 0;
  flex-grow: 1;
}

.trap-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
}

.trap-ruleset-tag {
  font-size: 0.72rem;
  color: #64748b;
  font-weight: 600;
}

/* Trap Celebration Modal */
.trap-celebration-card {
  text-align: center;
  padding: 30px;
  max-width: 520px !important;
  background: linear-gradient(145deg, #1e1b4b 0%, #0f172a 100%) !important;
  border: 2px solid #f59e0b !important;
  box-shadow: 0 0 50px rgba(245, 158, 11, 0.4) !important;
}

.trap-celebration-trophy {
  font-size: 4rem;
  margin-bottom: 10px;
  animation: bounceTrophy 1s ease-in-out infinite alternate;
}

@keyframes bounceTrophy {
  from { transform: translateY(0); }
  to { transform: translateY(-10px); }
}

.trap-celebration-title {
  font-size: 1.8rem;
  font-weight: 900;
  color: #fef08a;
  margin: 0 0 6px 0;
  text-shadow: 0 0 14px rgba(245, 158, 11, 0.6);
}

.trap-celebration-sub {
  font-size: 1.1rem;
  color: #a7f3d0;
  font-weight: 700;
  margin: 0 0 16px 0;
}

.trap-celebration-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 14px;
  font-size: 0.88rem;
  color: #cbd5e1;
  line-height: 1.5;
  text-align: left;
  margin-bottom: 22px;
}

.trap-reward-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid #f59e0b;
  border-radius: 20px;
  color: #fef08a;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* ================= PUZZLES & TRAPS PROMINENT NAV STYLES ================= */
.nav-highlight-traps,
.nav-btn-puzzles,
.nav-link-puzzles {
  color: #fde047 !important;
  font-weight: 800 !important;
  text-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
  border: 1px solid rgba(245, 158, 11, 0.5) !important;
  background: rgba(245, 158, 11, 0.15) !important;
  border-radius: 8px !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
}

.nav-highlight-traps:hover,
.nav-btn-puzzles:hover,
.nav-link-puzzles:hover {
  background: rgba(245, 158, 11, 0.3) !important;
  border-color: rgba(245, 158, 11, 0.9) !important;
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.5) !important;
  transform: translateY(-2px);
  color: #ffffff !important;
}

.btn-quick-puzzles {
  background: rgba(245, 158, 11, 0.2) !important;
  border: 1px solid rgba(245, 158, 11, 0.6) !important;
  color: #fde047 !important;
  font-weight: 800 !important;
  border-radius: 6px;
  transition: all 0.2s ease;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.25);
}

.btn-quick-puzzles:hover {
  background: rgba(245, 158, 11, 0.35) !important;
  border-color: #f59e0b !important;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.5) !important;
  transform: translateY(-1px);
}

/* ==========================================================================
   LIDRAUGHTS-STYLE TACTICAL PUZZLE TRAINING ARENA
   ========================================================================== */

.puzzle-trainer-body {
  background: #0b0f19;
  color: #e2e8f0;
  min-height: 100vh;
  font-family: 'Outfit', sans-serif;
}

.puzzle-training-arena {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.puzzle-layout-container {
  display: grid;
  grid-template-columns: minmax(320px, 580px) minmax(340px, 460px);
  gap: 32px;
  align-items: start;
  justify-content: center;
}

@media (max-width: 992px) {
  .puzzle-layout-container {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
}

/* --- Left Column: Board Section --- */
.puzzle-board-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.puzzle-board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 10px;
}

.puzzle-variant-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  color: #fde047;
}

.puzzle-board-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.puzzle-board-frame-wrap {
  width: 100%;
  max-width: 580px;
  aspect-ratio: 1 / 1;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

.puzzle-board-frame-wrap .board-wood-frame {
  width: 100%;
  height: 100%;
  padding: 18px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.7), 0 0 20px rgba(245, 158, 11, 0.15);
}

.puzzle-board-frame-wrap .board-inner {
  display: grid !important;
  grid-template-columns: repeat(10, 1fr) !important;
  grid-template-rows: repeat(10, 1fr) !important;
  width: 100% !important;
  height: 100% !important;
  aspect-ratio: 1 / 1 !important;
  border-radius: 6px;
}

.puzzle-highway-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 8px;
  font-size: 0.82rem;
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.puzzle-highway-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

/* 1-50 Draughts Square Notation */
.sq-draughts-num {
  position: absolute;
  top: 3px;
  right: 6px;
  font-size: 0.72rem;
  font-weight: 800;
  color: rgba(253, 224, 71, 0.75);
  pointer-events: none;
  user-select: none;
}

/* Last Move Highlights (Lidraughts-style gold) */
.sq-last-from,
.sq-last-to {
  background: rgba(245, 158, 11, 0.38) !important;
  box-shadow: inset 0 0 0 2px #f59e0b !important;
}

/* Error Shake on Wrong Move */
.sq-error-shake {
  background: rgba(239, 68, 68, 0.5) !important;
  box-shadow: inset 0 0 0 2px #ef4444 !important;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* Hint Halo */
.piece-hint-pulse {
  box-shadow: 0 0 0 4px #f59e0b, 0 0 16px rgba(245, 158, 11, 0.8) !important;
  animation: hint-pulse 1.4s infinite ease-in-out !important;
}

@keyframes hint-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 3px #f59e0b, 0 0 12px #f59e0b; }
  50% { transform: scale(1.06); box-shadow: 0 0 0 6px #f59e0b, 0 0 20px #f59e0b; }
}

/* --- Right Column: Lidraughts Training Sidebar --- */
.puzzle-training-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Card 1: Meta */
.puzzle-meta-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.meta-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.puzzle-id-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 0.9rem;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.puzzle-rating-badge {
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.5);
  color: #fde047;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 3px 10px;
  border-radius: 12px;
}

.meta-card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.puzzle-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
}

.puzzle-difficulty-tag {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
}

.puzzle-difficulty-tag.beginner {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid #10b981;
  color: #6ee7b7;
}

.puzzle-difficulty-tag.intermediate {
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid #f59e0b;
  color: #fde047;
}

.puzzle-difficulty-tag.national-master {
  background: rgba(249, 115, 22, 0.2);
  border: 1px solid #f97316;
  color: #fdba74;
}

.puzzle-difficulty-tag.grandmaster {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid #ef4444;
  color: #fca5a5;
}

.puzzle-theme-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.puzzle-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: #cbd5e1;
}

/* Card 2: Turn Banner */
.puzzle-turn-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px 18px;
}

.turn-disc {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.turn-disc.white {
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #cbd5e1 55%, #94a3b8 100%);
  border: 2px solid #e2e8f0;
}

.turn-disc.dark {
  background: radial-gradient(circle at 35% 35%, #475569 0%, #1e293b 60%, #0f172a 100%);
  border: 2px solid #334155;
}

.turn-text-group {
  display: flex;
  flex-direction: column;
}

.turn-tagline {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #f59e0b;
}

.turn-prompt {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

/* Card 3: Dynamic Feedback Card */
.puzzle-feedback-card {
  border-radius: 12px;
  padding: 16px 20px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.feedback-default {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feedback-progress {
  background: rgba(14, 165, 233, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.5);
}

.feedback-progress .feedback-title {
  color: #38bdf8 !important;
}

.feedback-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.5);
  animation: shake 0.4s ease;
}

.feedback-error .feedback-title {
  color: #f87171 !important;
}

.feedback-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(245, 158, 11, 0.25));
  border: 1px solid #10b981;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.3);
}

.feedback-success .feedback-title {
  color: #6ee7b7 !important;
  font-size: 1.25rem !important;
}

.feedback-hint {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.5);
}

.feedback-hint .feedback-title {
  color: #fde047 !important;
}

.feedback-status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.feedback-icon {
  font-size: 1.3rem;
}

.feedback-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
}

.feedback-desc {
  margin: 0 0 10px 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: #cbd5e1;
}

.feedback-rewards {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.reward-item {
  font-size: 0.82rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
}

.reward-item.rating-gain {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid #10b981;
  color: #6ee7b7;
}

.reward-item.coins-gain {
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid #f59e0b;
  color: #fde047;
}

.feedback-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Card 4: Action Toolbar */
.puzzle-controls-toolbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.puzzle-controls-toolbar .btn {
  padding: 8px 4px;
  font-size: 0.84rem;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

/* Card 5: Performance Stats HUD */
.puzzle-performance-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}

.perf-stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.perf-stat-item .stat-label {
  font-size: 0.72rem;
  color: #94a3b8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.perf-stat-item .stat-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.perf-stat-item .stat-val.rating {
  color: #fde047;
}

.perf-stat-item .stat-val.streak {
  color: #fb923c;
}

.perf-stat-item .stat-val.solved {
  color: #10b981;
}

/* Card 6: Difficulty Filter */
.puzzle-filter-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.puzzle-filter-section .section-label,
.puzzle-list-section .section-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.puzzle-filter-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.4);
  color: #fde047;
}

.filter-btn.active {
  background: rgba(245, 158, 11, 0.25);
  border-color: #f59e0b;
  color: #fde047;
  font-weight: 800;
}

.puzzle-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.puzzle-search-input {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: #f1f5f9;
  font-size: 0.78rem;
  padding: 4px 8px;
  width: 140px;
  outline: none;
  transition: all 0.2s ease;
}

.puzzle-search-input:focus {
  border-color: #f59e0b;
  width: 170px;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.25);
}

.chips-empty-msg {
  grid-column: 1 / -1;
  text-align: center;
  padding: 16px;
  color: #64748b;
  font-size: 0.82rem;
  font-style: italic;
}

/* Card 7: Direct Puzzle Carousel Jumper */
.puzzle-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 4px;
}

.puzzle-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  padding: 6px 10px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: #94a3b8;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.puzzle-chip:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(245, 158, 11, 0.3);
  color: #e2e8f0;
}

.puzzle-chip.active {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.15);
  color: #fde047;
  font-weight: 700;
}

.puzzle-chip.solved {
  border-color: rgba(16, 185, 129, 0.4);
}

.puzzle-chip.solved .chip-status {
  color: #10b981;
  font-weight: 800;
}

.chip-num {
  font-weight: 800;
  color: #f59e0b;
}

.chip-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* ================= PIECE SELECTION & DRAG-AND-DROP ================= */
.piece.selected {
  outline: 3px solid #f59e0b !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.95), 0 8px 24px rgba(0, 0, 0, 0.7) !important;
  transform: scale(1.1) !important;
  cursor: grabbing !important;
  z-index: 100 !important;
}

.sq-selected {
  background: rgba(245, 158, 11, 0.45) !important;
  box-shadow: inset 0 0 0 2px #f59e0b !important;
}

.piece.dragging {
  cursor: grabbing !important;
  transform: scale(1.18) !important;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.8)) !important;
  opacity: 0.92;
  pointer-events: none;
}

/* ================= TACTICAL ARROW OVERLAY & ANIMATIONS ================= */
.board-tactical-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 80;
}

.tactical-arrow-anim {
  stroke-dasharray: 8 4;
  animation: arrowDash 0.8s linear infinite;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.85));
}

@keyframes arrowDash {
  from { stroke-dashoffset: 24; }
  to { stroke-dashoffset: 0; }
}

/* Fluid Piece Smooth Transition & Crown Bursts */
.piece.animating-move {
  transition: transform 0.2s cubic-bezier(0.2, 0.9, 0.3, 1) !important;
  z-index: 120 !important;
}

.piece.captured-fade {
  transition: opacity 0.18s ease-out, transform 0.18s ease-out !important;
  opacity: 0 !important;
  transform: scale(0.2) rotate(20deg) !important;
  pointer-events: none !important;
}

.piece.king-crowning {
  animation: kingCrownBurst 0.6s ease-out forwards;
}

@keyframes kingCrownBurst {
  0% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.3); filter: brightness(1.8) drop-shadow(0 0 20px #f59e0b); }
  100% { transform: scale(1); filter: brightness(1); }
}

/* Keyboard Shortcuts Badge */
.keyboard-shortcuts-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 6px;
}

.keyboard-shortcuts-hint kbd {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fde047;
  padding: 1px 5px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.72rem;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* ================= EVALUATION GAUGE (LIDRAUGHTS STYLE) ================= */
.board-eval-wrapper {
  display: flex;
  align-items: stretch;
  gap: 12px;
  width: 100%;
}

.puzzle-eval-gauge {
  width: 20px;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column-reverse;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6);
  flex-shrink: 0;
}

.eval-bar-fill {
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  width: 100%;
  transition: height 0.4s cubic-bezier(0.2, 0.9, 0.3, 1);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.eval-score-label {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  font-weight: 800;
  color: #0f172a;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  pointer-events: none;
  user-select: none;
}

/* ================= AUTHENTIC STREET DRAUGHTS COACH ================= */
.puzzle-coach-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(15, 23, 42, 0.85));
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 10px;
  padding: 10px 14px;
}

.coach-avatar {
  font-size: 1.6rem;
  background: rgba(245, 158, 11, 0.2);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid #f59e0b;
  flex-shrink: 0;
}

.coach-speech {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.coach-badge {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #fde047;
}

.coach-quote {
  margin: 0;
  font-size: 0.84rem;
  font-style: italic;
  color: #e2e8f0;
  line-height: 1.35;
}

/* ================= MOVE NOTATION HISTORY (LIDRAUGHTS STANDARD) ================= */
.puzzle-notation-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notation-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 6px;
}

.notation-header-title {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #94a3b8;
}

.notation-step-counter {
  font-size: 0.74rem;
  font-weight: 700;
  color: #f59e0b;
}

.notation-moves-scroll {
  max-height: 110px;
  overflow-y: auto;
}

.notation-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'Outfit', monospace, sans-serif;
  font-size: 0.84rem;
}

.notation-table th {
  font-size: 0.72rem;
  color: #64748b;
  text-align: left;
  padding: 2px 6px;
  font-weight: 700;
}

.notation-table td {
  padding: 3px 6px;
  color: #cbd5e1;
}

.notation-table .col-num {
  width: 28px;
  color: #64748b;
  font-weight: 700;
}

.notation-move-cell {
  border-radius: 4px;
  padding: 2px 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-block;
  font-weight: 600;
}

.notation-move-cell:hover {
  background: rgba(245, 158, 11, 0.15);
  color: #fde047;
}

.notation-move-cell.active-step {
  background: rgba(245, 158, 11, 0.3);
  color: #fde047;
  font-weight: 800;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.notation-step-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-step-nav {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  padding: 4px 12px;
  font-size: 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-step-nav:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: #f59e0b;
  color: #fde047;
}

/* ==================== WRONG MOVE SIGN & ERROR SHAKE ==================== */
.square.sq-error-shake {
  animation: squareErrorShake 0.45s ease-in-out !important;
  background: rgba(239, 68, 68, 0.45) !important;
  box-shadow: inset 0 0 14px #ef4444, 0 0 16px rgba(239, 68, 68, 0.6) !important;
}

@keyframes squareErrorShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.board-wrong-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: rgba(15, 23, 42, 0.94);
  border: 2px solid #ef4444;
  color: #fca5a5;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 1px;
  box-shadow: 0 12px 32px rgba(239, 68, 68, 0.4), 0 0 24px rgba(0, 0, 0, 0.85);
  pointer-events: none;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: popInAndFade 1.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.board-wrong-badge .icon {
  font-size: 1.5rem;
}

@keyframes popInAndFade {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
  20% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
  35% { transform: translate(-50%, -50%) scale(1); }
  80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
}