html { font-family: 'DM Sans', system-ui, -apple-system, sans-serif; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* === DARK THEME (default) === */
:root, [data-theme="dark"] {
  --bg: #161512;
  --panel: #262421;
  --panel-hover: #2e2c29;
  --border: #3a3935;
  --border-highlight: #4a4945;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --accent: #b58863;
  --accent-glow: rgba(181, 136, 99, 0.4);
  --chip-up-bg: #2b3a2b;
  --chip-up-fg: #a7f3d0;
  --chip-down-bg: #3a2b2b;
  --chip-down-fg: #fecaca;
  --your-turn: rgba(34, 197, 94, 0.7);
  --your-turn-glow: rgba(34, 197, 94, 0.35);
  --online: #22c55e;
  --last-move: rgba(255, 255, 100, 0.4);
  --hero-gradient-start: #262421;
  --hero-gradient-mid: #201f1c;
  --hero-gradient-end: #161512;
  --hero-pattern-1: rgba(255,255,255,0.06);
  --hero-pattern-2: rgba(255,255,255,0.04);
  --hover-overlay: rgba(255,255,255,0.1);
  --hover-overlay-subtle: rgba(255,255,255,0.05);
  --hover-overlay-card: rgba(255,255,255,0.03);
  --shadow-color: rgba(0,0,0,0.4);
  --btn-primary-bg: #86A666;
  --btn-primary-hover: #769556;
  --btn-secondary-bg: rgba(255,255,255,0.05);
  --btn-secondary-border: rgba(255,255,255,0.15);
  --board-light: #DAEDCF;
  --board-dark: #86A666;
}

/* === LIGHT THEME === */
[data-theme="light"] {
  --bg: #f5f5f0;
  --panel: #ffffff;
  --panel-hover: #f0f0eb;
  --border: #e0ddd5;
  --border-highlight: #ccc9c0;
  --text: #1f2937;
  --text-dim: #6b7280;
  --accent: #9a7351;
  --accent-glow: rgba(154, 115, 81, 0.3);
  --chip-up-bg: #dcfce7;
  --chip-up-fg: #166534;
  --chip-down-bg: #fee2e2;
  --chip-down-fg: #991b1b;
  --your-turn: rgba(234, 88, 12, 0.7);
  --your-turn-glow: rgba(234, 88, 12, 0.25);
  --online: #16a34a;
  --last-move: rgba(255, 255, 100, 0.5);
  --hero-gradient-start: #e8e8e0;
  --hero-gradient-mid: #f0f0e8;
  --hero-gradient-end: #f5f5f0;
  --hero-pattern-1: rgba(0,0,0,0.04);
  --hero-pattern-2: rgba(0,0,0,0.02);
  --hover-overlay: rgba(0,0,0,0.05);
  --hover-overlay-subtle: rgba(0,0,0,0.03);
  --hover-overlay-card: rgba(0,0,0,0.02);
  --shadow-color: rgba(0,0,0,0.1);
  --btn-primary-bg: #769556;
  --btn-primary-hover: #658545;
  --btn-secondary-bg: rgba(0,0,0,0.03);
  --btn-secondary-border: rgba(0,0,0,0.1);
  --board-light: #DAEDCF;
  --board-dark: #86A666;
}

/* Smooth theme transition */
html {
  transition: background-color 0.3s ease, color 0.3s ease;
}
body, header, footer, .game-card, .tournament-card, .quick-link, 
section, aside, nav, [class*="rounded"], [class*="bg-[var"] {
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
}

/* Hero pattern */
.hero-bg { 
  background-image: radial-gradient(var(--hero-pattern-1) 1px, transparent 1px), 
                    radial-gradient(var(--hero-pattern-2) 1px, transparent 1px); 
  background-position: 0 0, 25px 25px; 
  background-size: 50px 50px; 
}

.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* cm-chessboard custom styling for SlowChess theme */
.cm-chessboard .board .square.white {
  fill: var(--board-light);
}
.cm-chessboard .board .square.black {
  fill: var(--board-dark);
}
.cm-chessboard .board .coordinates {
  fill: #333;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 8px;
}

/* Last move marker styling */
.cm-chessboard .markers .marker.last-move-from,
.cm-chessboard .markers .marker.last-move-to {
  fill: rgba(246, 246, 130, 0.5);
}

/* Mini board container styling */
.mini-board-container {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.3), 
              0 4px 12px var(--shadow-color);
}

/* Ensure cm-chessboard fills container */
.mini-board-container .cm-chessboard-content {
  width: 100% !important;
  height: 100% !important;
}

/* Game card enhancements */
.game-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.3s ease;
}
.game-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow-color);
  border-color: var(--border-highlight);
}

/* Your turn card - left stripe accent */
.game-card[data-your-turn="true"] {
  border-left: 3px solid var(--your-turn);
  box-shadow: 0 0 20px var(--your-turn-glow);
}
.game-card[data-your-turn="true"]:hover {
  box-shadow: 0 8px 24px var(--shadow-color), 0 0 24px var(--your-turn-glow);
}

/* Timer pulse animation */
@keyframes timer-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}
.timer-urgent {
  animation: timer-pulse 1.5s ease-in-out infinite;
}

/* Your turn badge pulse */
@keyframes turn-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--your-turn-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}
.turn-badge {
  animation: turn-pulse 2s ease-in-out infinite;
}

/* Page load fade-in */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fade-in-up 0.4s ease-out forwards;
  opacity: 0;
}
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* Focus states for accessibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Leaderboard tab content transitions */
.lb-list {
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.lb-list.hidden {
  opacity: 0;
  transform: translateY(-4px);
  position: absolute;
  pointer-events: none;
}
.lb-list:not(.hidden) {
  opacity: 1;
  transform: translateY(0);
}

/* Tournament card hover */
.tournament-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease, border-color 0.3s ease;
}
.tournament-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-color);
}

/* Quick link hover */
.quick-link {
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.quick-link:hover {
  background-color: var(--hover-overlay);
  border-color: var(--border-highlight);
}

/* Button hover glow */
.btn-accent {
  transition: filter 0.15s ease, box-shadow 0.15s ease;
}
.btn-accent:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* News item hover */
.news-item {
  transition: background-color 0.15s ease;
  margin: -0.5rem;
  padding: 0.5rem;
  border-radius: 0.5rem;
}
.news-item:hover {
  background-color: var(--hover-overlay-card);
}

/* SlowChess brand text effect */
.slowchess-brand {
  font-style: italic;
  font-weight: 700;
  background: linear-gradient(135deg, #86A666 0%, #b58863 50%, #86A666 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: brand-shimmer 3s ease-in-out infinite;
}
@keyframes brand-shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}
[data-theme="light"] .slowchess-brand {
  background: linear-gradient(135deg, #658545 0%, #9a7351 50%, #658545 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Theme toggle button */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  border-radius: 15px;
  background: var(--border);
  cursor: pointer;
  transition: background-color 0.3s ease;
  border: none;
  padding: 0;
}
.theme-toggle:hover {
  background: var(--border-highlight);
}
.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--panel);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background-color 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(30px);
}
.theme-toggle-icon {
  width: 14px;
  height: 14px;
  transition: opacity 0.2s ease, transform 0.3s ease;
}
.theme-toggle .sun-icon {
  color: #fbbf24;
  opacity: 0;
  position: absolute;
}
.theme-toggle .moon-icon {
  color: #94a3b8;
  opacity: 1;
}
[data-theme="light"] .theme-toggle .sun-icon {
  opacity: 1;
}
[data-theme="light"] .theme-toggle .moon-icon {
  opacity: 0;
}

/* Theme toggle compact version for mobile */
.theme-toggle-compact {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--hover-overlay-subtle);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.theme-toggle-compact:hover {
  background: var(--hover-overlay);
  border-color: var(--border-highlight);
}
.theme-toggle-compact svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}
.theme-toggle-compact:hover svg {
  transform: rotate(15deg);
}

/* Jdenticon avatar styling */
.jdenticon-avatar {
  border-radius: 9999px;
  overflow: hidden;
  background: var(--panel);
}
.jdenticon-avatar svg {
  display: block;
}

/* Shared legal/info typography */
.legal-content h2 {
  font-size: 1.35rem;
  line-height: 1.3;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.legal-content h3 {
  font-size: 1.15rem;
  line-height: 1.35;
  font-weight: 700;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.legal-content p {
  margin-top: 0.85rem;
  margin-bottom: 0.85rem;
}

.legal-content ul,
.legal-content ol {
  margin-top: 0.65rem;
  margin-bottom: 0.85rem;
}

.legal-content li {
  margin-top: 0.35rem;
  margin-bottom: 0.35rem;
}