/* Dark Mode Styles */
html[data-theme='dark'] {
  /* Base colors */
  --bg-dark: #1a1a26;
  --bg-darker: #141420;
  --bg-card: #242432;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --border-color: #2a2a3a;
  
  /* Override existing variables */
  --bg-light: var(--bg-dark);
  --bg-white: var(--bg-card);
  --text-dark: var(--text-primary);
  --text-light: var(--text-primary);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.4);
}

/* Base elements — letters keep their own paper chrome (see letters.css) */
html[data-theme='dark']:not(.letters-html) body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
}

/* Sidebar */
html[data-theme='dark'] .sidebar {
  background: var(--bg-darker);
  border-right: 1px solid var(--border-color);
}

html[data-theme='dark'] nav ul li {
  color: var(--text-primary);
  font-size: 0.95rem;
}

html[data-theme='dark'] nav ul li:hover,
html[data-theme='dark'] nav ul li.active {
  background: var(--bg-card);
}

/* Cards and sections */
html[data-theme='dark'] .section-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

html[data-theme='dark'] .stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

html[data-theme='dark'] .stat-card:hover {
  background: var(--bg-darker);
}

/* Tables — skip Guild Letters (Brevo email HTML) */
html[data-theme='dark']:not(.letters-html) .table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

html[data-theme='dark']:not(.letters-html) table th {
  background: var(--bg-darker);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

html[data-theme='dark']:not(.letters-html) table td {
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

html[data-theme='dark']:not(.letters-html) table tr:hover {
  background: var(--bg-darker);
}

/* Forms and inputs */
html[data-theme='dark'] input,
html[data-theme='dark'] select,
html[data-theme='dark'] textarea {
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

html[data-theme='dark'] input:focus,
html[data-theme='dark'] select:focus,
html[data-theme='dark'] textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 74, 173, 0.2);
}

/* Buttons */
html[data-theme='dark'] .subscribe-btn {
  background: var(--primary);
  color: var(--text-light);
}

html[data-theme='dark'] .subscribe-btn:hover {
  background: var(--primary-dark);
}

html[data-theme='dark'] .cancel-btn {
  background: #D9534F;
  color: var(--text-light);
}

html[data-theme='dark'] .cancel-btn:hover {
  background: #c9302c;
}

/* Flash messages: dark styling is unified globally in styles.css */

/* Subscription box */
html[data-theme='dark'] .subscription-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

html[data-theme='dark'] .subscription-box h3 {
  color: var(--text-primary);
}

/* Lifetime banner */
html[data-theme='dark'] .lifetime-banner {
  background: linear-gradient(90deg, #ffcc00, #ffaa00);
  color: var(--bg-dark);
}

/* Links */
html[data-theme='dark'] a {
  color: var(--text-primary);
}

html[data-theme='dark'] a:hover {
  color: var(--primary-light);
}

/* Scrollbar — Quant Guild blue (dark). Native thin scrollbar (same technique as
   the masterclass/phf pages) tinted a lighter blue for dark theme. Scoped with
   :not() + [data-theme='dark'] so it outranks the light rule in styles.css on
   dark pages. The ::-webkit-scrollbar rules below are a Safari-era fallback. */
html[data-theme='dark']:not(.mc-standalone):not(.phf-standalone):not(.letters-html),
html[data-theme='dark']:not(.mc-standalone):not(.phf-standalone):not(.letters-html) body,
html[data-theme='dark']:not(.mc-standalone):not(.phf-standalone):not(.letters-html) .desktop-container,
html[data-theme='dark']:not(.mc-standalone):not(.phf-standalone):not(.letters-html) .main-content,
html[data-theme='dark']:not(.mc-standalone):not(.phf-standalone):not(.letters-html) .mobile-content {
  scrollbar-width: thin;
  scrollbar-color: #4a90e2 rgba(74, 144, 226, 0.16);
}

html[data-theme='dark'] ::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

html[data-theme='dark'] ::-webkit-scrollbar-track {
  background: rgba(74, 144, 226, 0.14);
  border-radius: 6px;
}

html[data-theme='dark'] ::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #4a90e2 0%, #2f6fd6 100%);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

html[data-theme='dark'] ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #3a78c9 0%, #24589f 100%);
  border: 2px solid transparent;
  background-clip: padding-box;
}

/* Arrow buttons (dark theme) — light-blue chevrons on the dark track */
html[data-theme='dark']:not(.mc-standalone)::-webkit-scrollbar-button:single-button {
  display: block;
  background-color: rgba(74, 144, 226, 0.14);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 7px 7px;
  height: 10px;
  width: 10px;
}
html[data-theme='dark']:not(.mc-standalone)::-webkit-scrollbar-button:single-button:vertical:decrement {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%234da6ff' d='M6 3.5 10 8.5 2 8.5z'/></svg>");
}
html[data-theme='dark']:not(.mc-standalone)::-webkit-scrollbar-button:single-button:vertical:increment {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%234da6ff' d='M2 3.5 10 3.5 6 8.5z'/></svg>");
}
html[data-theme='dark']:not(.mc-standalone)::-webkit-scrollbar-button:single-button:horizontal:decrement {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%234da6ff' d='M3.5 6 8.5 2 8.5 10z'/></svg>");
}
html[data-theme='dark']:not(.mc-standalone)::-webkit-scrollbar-button:single-button:horizontal:increment {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%234da6ff' d='M8.5 6 3.5 2 3.5 10z'/></svg>");
}

/* Progress bars and rings */
html[data-theme='dark'] .progress-ring__background {
  stroke: var(--bg-darker);
}

html[data-theme='dark'] .rank-bar {
  background: var(--bg-darker);
}

html[data-theme='dark'] .progress-bar {
  background: var(--primary);
}

/* Empty states and warnings */
html[data-theme='dark'] .empty-state {
  color: var(--text-primary);
}

/* .email-verification-warning dark styling is unified globally in styles.css */

/* Headers and text */
html[data-theme='dark'] .dashboard-header,
html[data-theme='dark'] .welcome-section h3 {
  color: var(--text-primary);
}

html[data-theme='dark'] .subtitle,
html[data-theme='dark'] .section-subtitle {
  color: var(--text-secondary);
}

/* Icons */
html[data-theme='dark'] .stat-icon {
  color: var(--primary-light);
}

/* Blurred content */
html[data-theme='dark'] .blurred-content {
  background: var(--bg-card);
}

html[data-theme='dark'] .blurred-content table tbody,
html[data-theme='dark'] .blurred-content table thead {
  background: var(--bg-darker);
}

/* Fix for sidebar text size */
html[data-theme='dark'] .sidebar.collapsed nav ul li {
  font-size: 0.95rem;
}

html[data-theme='dark'] .sidebar.collapsed nav ul li i {
  font-size: 1.25rem;
}

/* Fix for question text */
html[data-theme='dark'] .question-text {
  color: var(--text-primary);
}

/* Fix for rating info */
html[data-theme='dark'] .rating-info {
  color: var(--text-primary);
}

/* Fix for rating value */
html[data-theme='dark'] .rating-value {
  color: var(--text-primary);
}

/* Fix for rating label */
html[data-theme='dark'] .rating-label {
  color: var(--text-secondary);
}

/* Fix for stat value */
html[data-theme='dark'] .stat-value {
  color: var(--text-primary);
}

/* Fix for stat label */
html[data-theme='dark'] .stat-label {
  color: var(--text-secondary);
}

/* Fix for user info text */
html[data-theme='dark'] .user-info {
  color: var(--text-primary);
}

/* Fix for score */
html[data-theme='dark'] .score {
  color: var(--text-primary);
}

/* Trading Page Styles */
html[data-theme='dark'] .trading-container {
  color: var(--text-primary);
  background-color: var(--bg-dark);
}

html[data-theme='dark'] .animated-background {
  background: linear-gradient(135deg, rgba(0, 74, 173, 0.05) 0%, rgba(0, 160, 255, 0.05) 100%);
}

html[data-theme='dark'] .animated-background::before {
  background: 
    radial-gradient(circle at 20% 20%, rgba(0, 74, 173, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 160, 255, 0.03) 0%, transparent 50%);
}

html[data-theme='dark'] .grid-line {
  background: linear-gradient(90deg, rgba(0, 74, 173, 0.03), rgba(0, 160, 255, 0.03));
}

html[data-theme='dark'] .hero-title {
  color: var(--text-primary);
}

html[data-theme='dark'] .hero-title i {
  color: var(--primary-light);
}

html[data-theme='dark'] .hero-subtitle {
  color: var(--text-secondary);
}

/* Game Cards */
html[data-theme='dark'] .games-grid {
  background-color: transparent;
  padding: 0;
  box-shadow: none;
  border: none;
}

html[data-theme='dark'] .game-card {
  background: var(--bg-darker);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
}

html[data-theme='dark'] .game-card:hover {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

html[data-theme='dark'] .game-image {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
}

html[data-theme='dark'] .game-image::before {
  background: linear-gradient(135deg, rgba(0, 74, 173, 0.1), rgba(0, 160, 255, 0.1));
}

html[data-theme='dark'] .game-icon i {
  color: var(--primary-light);
}

html[data-theme='dark'] .game-title {
  color: var(--text-primary);
}

html[data-theme='dark'] .game-title i {
  color: var(--primary-light);
}

html[data-theme='dark'] .game-description {
  color: var(--text-secondary);
}

html[data-theme='dark'] .game-meta {
  border-top: 1px solid var(--border-color);
}

html[data-theme='dark'] .game-meta span {
  color: var(--text-secondary);
}

html[data-theme='dark'] .game-meta i {
  color: var(--primary-light);
}

html[data-theme='dark'] .game-link {
  background: var(--primary);
  color: var(--text-light);
}

html[data-theme='dark'] .game-link:hover {
  background: var(--primary-dark);
}

html[data-theme='dark'] .coming-soon::before {
  background-color: rgba(0, 0, 0, 0.7);
}

html[data-theme='dark'] .coming-soon::after {
  background: var(--primary);
}

/* Leaderboard Panel */
html[data-theme='dark'] .leaderboard-container {
  background: var(--bg-darker);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
}

html[data-theme='dark'] .leaderboard-header {
  border-bottom: 1px solid var(--border-color);
}

html[data-theme='dark'] .leaderboard-title {
  color: var(--text-primary);
}

html[data-theme='dark'] .leaderboard-title i,
html[data-theme='dark'] .leaderboard-title span {
  color: var(--primary-light);
}

html[data-theme='dark'] .leaderboard-table th {
  background: var(--bg-card);
  color: var(--primary-light);
  border-bottom: 2px solid var(--border-color);
}

html[data-theme='dark'] .leaderboard-table td {
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

html[data-theme='dark'] .leaderboard-table tr:hover {
  background: rgba(0, 160, 255, 0.1);
}

html[data-theme='dark'] .current-user-row {
  background: rgba(0, 160, 255, 0.15) !important;
}

/* Rank Bar Panel */
html[data-theme='dark'] .rank-bar {
  background: var(--bg-darker);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
}

html[data-theme='dark'] .section-header h2 {
  color: var(--text-primary);
}

html[data-theme='dark'] .section-header h2 i {
  color: var(--primary-light);
}

html[data-theme='dark'] .rank-progress {
  background: var(--bg-card);
}

html[data-theme='dark'] .rank-progress-fill {
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

html[data-theme='dark'] .trader-rank-display {
  color: var(--text-primary);
}

/* Fix for trading page panels */
html[data-theme='dark'] .trading-container > div:not(.games-grid) {
  background-color: var(--bg-card);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  margin-bottom: 30px;
}

html[data-theme='dark'] .trading-container > div:last-child {
  margin-bottom: 0;
}