/* ==========================================
   Yabaleli Box Mode Showcase - Styles
   ========================================== */

:root {
  --primary: #FF9C3F;
  --primary-dark: #E8862E;
  --primary-light: #FFB366;
  --secondary: #6366F1;
  --secondary-dark: #4F46E5;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;

  --bg-dark: #0F172A;
  --bg-darker: #020617;
  --bg-card: #1E293B;
  --bg-light: #F8FAFC;

  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-dark: #1E293B;

  --border-color: #334155;
  --border-radius: 12px;
  --border-radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(255, 156, 63, 0.3);

  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: inherit;
}

.logo-icon { font-size: 1.75rem; }

.logo-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--primary); }

/* Main Layout */
.main {
  max-width: 1400px;
  margin: 0 auto;
}

.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* Index Page */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.page-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-card:hover {
  border-color: var(--primary);
  background: rgba(255, 156, 63, 0.05);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.page-card h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 0;
}

.page-card p {
  color: var(--text-secondary);
  flex: 1;
}

.page-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.section {
  padding: 2rem 0.5rem;
}

.section-dark {
  background: var(--bg-darker);
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

/* Button Showcase Grid */
.button-showcase-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

/* Button showcase tabs */
.button-tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.button-tabs-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.button-tab-btn {
  padding: 0.5rem 1rem;
  background: transparent;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.button-tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg-dark);
}

.button-tab-btn:hover:not(.active) {
  border-color: var(--primary);
  color: var(--text-primary);
}

.button-tabs-content .button-tab-panel {
  display: none;
}

.button-tabs-content .button-tab-panel.active {
  display: block;
}

.button-showcase-sizes {
  grid-template-columns: repeat(4, 1fr);
  max-width: 700px;
}

.button-showcase-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.button-showcase-item:hover {
  border-color: var(--primary);
  background: rgba(255, 156, 63, 0.05);
}

.button-variant-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.button-category-label {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 500;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  min-height: 1.2em;
}

.showcase-subtitle {
  text-align: center;
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 2rem 0 1rem;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon { font-size: 1.25rem; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; height: 32px; }
.btn-sm .btn-icon { font-size: 0.875rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1.1rem; height: 48px; }
.btn-lg .btn-icon { font-size: 1.25rem; }
.btn.loading { opacity: 0.6; cursor: wait; pointer-events: none; }

.btn-primary { background: var(--primary); color: var(--bg-dark); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-glow); }

.btn-secondary { background: var(--secondary); color: white; }
.btn-secondary:hover { background: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }

.btn-gradient { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; }
.btn-gradient:hover { transform: translateY(-2px); box-shadow: 0 0 25px rgba(99, 102, 241, 0.4); }

.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--bg-dark); }

.btn-ghost { background: transparent; color: var(--text-primary); border: none; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); color: var(--primary); }

.btn-destructive { background: var(--danger); color: white; }
.btn-destructive:hover { background: #DC2626; transform: translateY(-2px); box-shadow: 0 0 20px rgba(239, 68, 68, 0.4); }

.btn-link { background: transparent; color: var(--primary); border: none; text-decoration: underline; text-underline-offset: 4px; padding: 0.5rem; }
.btn-link:hover { color: var(--primary-light); text-decoration-thickness: 2px; }

/* Pre-screen mode buttons active state */
[data-pre-screen-mode].active { box-shadow: 0 0 0 3px var(--primary), var(--shadow-glow); transform: scale(1.05); }
[data-pre-screen-mode] { transition: var(--transition); }

.btn-pill {
  background: var(--success);
  color: white;
  border-radius: 999px;
  padding: 0.6rem 2.75rem;
  position: relative;
  padding-left: 3.25rem;
}
.btn-pill .pulse { position: absolute; left: 1rem; width: 8px; height: 8px; background: white; border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.5); } }
.btn-pill:hover { background: #059669; }

.btn-with-badge { position: relative; }
.btn-badge { position: absolute; top: -8px; right: -8px; background: var(--danger); color: white; font-size: 0.65rem; font-weight: 700; padding: 0.2rem 0.4rem; border-radius: 4px; text-transform: uppercase; }

.btn-loading-demo { position: relative; cursor: not-allowed; opacity: 0.7; }
.btn-spinner { width: 16px; height: 16px; border: 2px solid transparent; border-top-color: currentColor; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn-icon-only { width: 44px; height: 44px; padding: 0; font-size: 1.25rem; border-radius: 50%; }
.btn-icon-only.btn-primary { background: var(--primary); border: none; }
.btn-icon-only.btn-primary:hover { background: var(--primary-dark); transform: scale(1.1); }

.btn-large { padding: 1rem 2rem; font-size: 1.125rem; }

/* Category info */
.category-info {
  text-align: center;
  margin: 2rem auto 1.5rem;
  padding: 0.75rem;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  max-width: 500px;
}

.category-loading { color: var(--text-secondary); font-size: 0.875rem; }
.category-count { color: var(--primary); font-weight: 600; }

/* Shared game container */
.shared-game-wrapper {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: none;
}

.shared-game-wrapper.active { display: block; }

.shared-game-container {
  height: 600px;
  display: block;
  position: relative;
}

.shared-game-container iframe {
  width: 100% !important;
  height: 100% !important;
  border: none;
}

/* Game Container */
.game-container {
  margin-top: 1.5rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  display: none;
  height: 500px;
  position: relative;
}

.game-container.active { display: block; }

.game-container iframe {
  width: 100% !important;
  height: 100% !important;
  border: none;
  border-radius: var(--border-radius);
}

/* Tabs */
.tabs-showcase { max-width: 800px; margin: 0 auto; }

.tabs-container {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.tabs-header {
  display: flex;
  background: var(--bg-darker);
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  padding: 1rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.tab-btn:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.05); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); background: rgba(255, 156, 63, 0.1); }

.tabs-content { padding: 2rem; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.article-content h3 { margin-bottom: 1rem; color: var(--text-primary); }
.article-content p { color: var(--text-secondary); margin-bottom: 1rem; }
.comments-placeholder { text-align: center; color: var(--text-secondary); padding: 2rem; }

/* Video Integration */
.video-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.video-integration {
  background: var(--bg-card);
  padding: 0.5rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.video-integration.full-width { grid-column: 1 / -1; }

.video-integration h3 {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.video-wrapper { position: relative; }

.video-player {
  background: var(--bg-darker);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  position: relative;
}

.video-player video {
  width: 100%;
  height: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: #000;
}

.video-player.large { max-height: 400px; }
.video-player.large video { max-height: 400px; object-fit: contain; }

/* Ribbon */
.trivia-ribbon { width: 100%; }

.ribbon-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.ribbon-top .ribbon-btn { border-radius: var(--border-radius) var(--border-radius) 0 0; margin-bottom: -1px; }
.ribbon-bottom .ribbon-btn { border-radius: 0 0 var(--border-radius) var(--border-radius); margin-top: -1px; }
.ribbon-btn-dark { background: linear-gradient(90deg, var(--secondary), var(--secondary-dark)); }
.ribbon-icon { font-size: 1.25rem; }
.ribbon-text { flex: 1; text-align: left; color: white; font-weight: 500; }
.ribbon-cta { background: rgba(255, 255, 255, 0.2); padding: 0.375rem 0.75rem; border-radius: 6px; color: white; font-weight: 600; font-size: 0.875rem; }
.ribbon-btn:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }

/* Branded Frame */
.branded-frame {
  background: var(--bg-darker);
}

.branded-frame-inner {
  border-radius: var(--border-radius-lg);
  overflow: visible;
  border: 2px solid var(--secondary);
}

.frame-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.frame-logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; color: white; font-size: 1.25rem; }

.frame-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.btn-pulse { width: 8px; height: 8px; background: var(--success); border-radius: 50%; animation: pulse 1.5s infinite; }
.frame-btn:hover { background: rgba(255, 255, 255, 0.3); }
.frame-content { padding: 1rem; }

.frame-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.frame-stats { display: flex; gap: 1.5rem; color: var(--text-secondary); font-size: 0.875rem; }
.frame-share { color: var(--text-secondary); cursor: pointer; }
.branded-game { margin: 0; border-radius: 0; height: 650px; }

/* Video Overlay */
.video-player.with-overlay { position: relative; }
.video-player.with-overlay video { position: relative; z-index: 1; }

.video-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.video-overlay.active { opacity: 1; visibility: visible; }
.overlay-content { text-align: center; }
.overlay-content h4 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.overlay-content p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.overlay-dismiss { display: block; margin-top: 1rem; background: transparent; border: none; color: var(--text-secondary); cursor: pointer; text-decoration: underline; }

/* Floating Widget */
.floating-widget { position: absolute; top: 3.3rem; right: 1rem; }

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

.float-icon { font-size: 1.5rem; }
.float-badge { position: absolute; top: -4px; right: -4px; width: 20px; height: 20px; background: var(--danger); border-radius: 50%; font-size: 0.75rem; font-weight: 700; color: white; display: flex; align-items: center; justify-content: center; }

.floating-tooltip {
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-card);
  border-radius: 8px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.floating-widget:hover .floating-tooltip { opacity: 1; visibility: visible; }
.floating-btn:hover { transform: scale(1.1); }

/* Multi-Instance */
.instance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.instance-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  position: relative;
  display: flex;
  flex-direction: column;
}

.instance-header { padding: 1.5rem; display: flex; align-items: center; gap: 1rem; }
.instance-header.science { background: linear-gradient(135deg, #3B82F6, #1D4ED8); }
.instance-header.history { background: linear-gradient(135deg, #F59E0B, #D97706); }
.instance-header.sports { background: linear-gradient(135deg, #10B981, #059669); }
.instance-header.entertainment { background: linear-gradient(135deg, #EC4899, #BE185D); }
.instance-icon { font-size: 2rem; }
.instance-header h3 { color: white; font-size: 1.25rem; }
.instance-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.instance-body p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.9rem; }

.btn-instance {
  width: 100%;
  background: var(--bg-darker);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.instance-body .btn-instance {
  margin-top: auto;
}

.btn-instance:hover { border-color: var(--primary); background: rgba(255, 156, 63, 0.1); }

.instance-status {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.status-dot { width: 8px; height: 8px; background: var(--text-secondary); border-radius: 50%; }
.instance-status.active .status-dot { background: var(--success); animation: pulse 1.5s infinite; }
.instance-status.active .status-text { color: var(--success); }

/* Active Instances Panel */
.active-instances-panel {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.active-instances-panel h4 { margin-bottom: 1rem; color: var(--text-secondary); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }
.instances-list { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.no-instances { color: var(--text-secondary); font-style: italic; }

.instance-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-darker);
  border-radius: 50px;
  font-size: 0.875rem;
}

.instance-badge .badge-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; animation: pulse 1.5s infinite; }
.instance-badge .badge-close { background: transparent; border: none; color: var(--text-secondary); cursor: pointer; padding: 0; margin-left: 0.5rem; }
.instance-badge .badge-close:hover { color: var(--danger); }

/* Creative Integrations */
.creative-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.creative-item {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
}

.creative-item h3 { color: var(--text-secondary); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1.5rem; }

/* Flip Card */
.flip-card { width: 200px; height: 200px; perspective: 1000px; margin: 0 auto; cursor: pointer; }
.flip-card-inner { width: 100%; height: 100%; transition: transform 0.6s; transform-style: preserve-3d; position: relative; }
.flip-card:hover .flip-card-inner, .flip-card.flipped .flip-card-inner { transform: rotateY(180deg); }

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.flip-card-front { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.card-icon { font-size: 4rem; }
.flip-card-front p { color: white; font-weight: 600; }
.flip-card-back { background: var(--bg-darker); border: 2px solid var(--primary); transform: rotateY(180deg); }

/* Slide Panel */
.slide-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border-color);
  z-index: 1000;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
}

.slide-panel.active { right: 0; }

.slide-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.slide-close { background: transparent; border: none; color: var(--text-secondary); font-size: 1.5rem; cursor: pointer; }
.slide-close:hover { color: var(--text-primary); }
.slide-panel-content { flex: 1; overflow-y: auto; padding: 1rem; }
.slide-panel-content .game-container { height: 100%; margin-top: 0; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-content {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal-content { transform: scale(1); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.modal-header h3 { color: white; }
.modal-close { background: transparent; border: none; color: white; font-size: 1.5rem; cursor: pointer; }
.modal-body { padding: 1.5rem; max-height: calc(90vh - 60px); overflow-y: auto; height: 500px; }
.modal-body .game-container { height: 100%; margin-top: 0; }

/* Footer */
.footer {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
}

.footer p { color: var(--text-secondary); }
.footer-note { font-size: 0.875rem; margin-top: 0.5rem; opacity: 0.7; }

/* Responsive */
@media (min-width: 769px) and (max-width: 1024px) {
  .button-showcase-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1rem;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .header { 
    flex-direction: column; 
    gap: 0.5rem; 
    padding: 0.5rem 0.75rem; 
  }
  .logo { 
    font-size: 1rem; 
  }
  .logo-icon { 
    font-size: 1.25rem; 
  }
  .nav { 
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 0.75rem; 
  }
  .nav-link { 
    font-size: 0.85rem; 
  }
  .section h2 {
    font-size: 1.5rem;
  }
  .hero h1 { font-size: 2rem; }
  .video-showcase { grid-template-columns: 1fr; }
  .slide-panel { width: 100%; right: -100%; }
  .button-showcase-grid { 
    grid-template-columns: repeat(3, minmax(0, 1fr)); 
    gap: 1rem; 
    max-width: 100%;
  }
  .button-showcase-sizes { grid-template-columns: repeat(2, 1fr); }
  .button-showcase-item { padding: 1rem 0.75rem; }
  .button-category-label { font-size: 0.7rem; max-width: 100px; }
  .pages-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  /* Horizontal scroll for button showcase cards on mobile */
  .button-showcase-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(120px, 1fr));
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
    max-width: 100%;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  
  .button-showcase-grid .button-showcase-item {
    scroll-snap-align: start;
    min-width: 120px;
    flex-shrink: 0;
  }
  
  /* Horizontal scroll for pre-screen mode selector on mobile */
  .button-showcase-grid[style*="max-width: 500px"] {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(150px, 1fr)) !important;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    gap: 1rem;
    padding-bottom: 0.5rem;
    max-width: 100% !important;
    width: 100%;
  }
  
  .button-showcase-grid[style*="max-width: 500px"] .button-showcase-item {
    scroll-snap-align: start;
    min-width: 150px;
    flex-shrink: 0;
  }
  
  .button-showcase-sizes { grid-template-columns: repeat(2, 1fr); }
}