/**
 * Browser Arcade - Reusable Component Library
 * High-performance UI components with smooth micro-interactions
 */

/* ==========================================================================
   Buttons
   ========================================================================== */

.arcade-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
  outline: none;
  border: 1px solid transparent;
}

.arcade-btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.arcade-btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.arcade-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
  filter: brightness(1.08);
}

.arcade-btn-primary:active {
  transform: translateY(1px);
  filter: brightness(0.95);
}

.arcade-btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
}

.arcade-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.arcade-btn-secondary:active {
  transform: translateY(1px);
}

.arcade-btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.arcade-btn-icon:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.arcade-btn-icon.active {
  color: var(--primary-400);
  border-color: var(--primary-500);
  background: rgba(99, 102, 241, 0.12);
}

.arcade-btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Badges & Tags
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-400);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.badge-pulse {
  position: relative;
}

.badge-pulse::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.arcade-card {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.arcade-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Game Catalog Card */
.game-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.game-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #181b2e 0%, #0d0f1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.game-card-media svg {
  transition: transform var(--transition-normal);
}

.game-card:hover .game-card-media svg {
  transform: scale(1.06);
}

.game-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.game-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.game-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 16px;
  flex-grow: 1;
}

/* ==========================================================================
   Modals & Overlays
   ========================================================================== */

.arcade-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 10, 16, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.arcade-modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: scale(0.92);
  transition: transform var(--transition-bounce);
}

.arcade-modal-backdrop.active .arcade-modal-card {
  transform: scale(1);
}

.arcade-modal-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.arcade-modal-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.arcade-modal-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

.arcade-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ==========================================================================
   AdSense Placement Containers (Zero-CLS Architecture)
   Explicit dimensions reserved to prevent layout shifts.
   Strictly empty containers: NO advertising code, NO mock ad images.
   ========================================================================== */

.arcade-ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 24px auto;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.015);
  border: 1px dashed rgba(255, 255, 255, 0.05);
  overflow: hidden;
  user-select: none;
  contain: layout size;
}

/* Desktop Leaderboard 728x90 */
.arcade-ad-leaderboard {
  width: 100%;
  max-width: var(--ad-leaderboard-w);
  height: var(--ad-leaderboard-h);
}

/* Medium Rectangle 300x250 */
.arcade-ad-rectangle {
  width: var(--ad-rect-w);
  height: var(--ad-rect-h);
}

/* Mobile Banner 320x50 */
.arcade-ad-mobile-banner {
  width: var(--ad-mobile-banner-w);
  height: var(--ad-mobile-banner-h);
}

@media (max-width: 768px) {
  .arcade-ad-leaderboard {
    display: none; /* Hide wide leaderboard on mobile; mobile banner activates */
  }
}

@media (min-width: 769px) {
  .arcade-ad-mobile-banner {
    display: none;
  }
}