/* SCREEN & PLAY Arcade — 100% Pure Vanilla CSS */
:root {
  --bg-main: #020617;
  --bg-surface: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.95);
  --border-subtle: #1e293b;
  --border-hover: #334155;
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --accent-cyan: #38bdf8;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-red: #ef4444;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Top Navigation Bar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 14px 24px;
  background-color: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
}

.brand-icon {
  color: var(--accent-cyan);
  font-size: 1.3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s;
}

.nav-link:hover {
  color: #ffffff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

/* Audio Controls Bar */
.audio-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(30, 41, 59, 0.8);
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid var(--border-subtle);
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.icon-btn.active {
  color: var(--accent-amber);
}

.btn-quick-play {
  background: var(--accent-cyan);
  color: #020617;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-quick-play:hover {
  background: #7dd3fc;
  transform: translateY(-1px);
}

/* Screens */
.screen {
  display: none;
  flex: 1;
  width: 100%;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 44px 20px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.035em;
  margin-bottom: 14px;
  line-height: 1.15;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

/* Gamer Status Bar */
.gamer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 800px;
  margin: 28px auto 0;
  padding: 14px 20px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  font-size: 0.85rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.gamer-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gamer-avatar {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0284c7, #4f46e5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4);
}

.gamer-name {
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.gamer-lvl {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  font-family: monospace;
}

.gamer-stats {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--text-muted);
}

.stat-item strong {
  color: #f1f5f9;
  font-family: monospace;
}

/* Category Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px auto 8px;
  padding: 0 20px;
}

.tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.tab-btn:hover {
  color: #ffffff;
  border-color: var(--border-hover);
}

.tab-btn.active {
  background: #ffffff;
  color: #020617;
  border-color: #ffffff;
  font-weight: 700;
}

/* Games Grid */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 24px auto 60px;
  padding: 0 24px;
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
}

.game-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: 0 16px 36px rgba(56, 189, 248, 0.15);
}

.card-cover {
  height: 200px;
  position: relative;
  overflow: hidden;
  background-color: #020617;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s;
}

.game-card:hover .card-cover img {
  transform: scale(1.05);
}

.card-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(2, 6, 23, 0.95) 100%);
}

.genre-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.play-overlay-btn {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  cursor: pointer;
  transition: opacity 0.2s;
}

.game-card:hover .play-overlay-btn {
  opacity: 1;
}

.play-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-cyan);
  color: #020617;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 4px;
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.5);
  transition: transform 0.15s;
}

.play-overlay-btn:hover .play-circle {
  transform: scale(1.1);
}

.card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.card-meta {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.audio-box {
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid rgba(30, 41, 59, 0.8);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.75rem;
  margin-bottom: 12px;
}

.audio-title {
  color: var(--accent-amber);
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
  flex: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.card-footer-meta {
  font-size: 0.75rem;
  font-family: monospace;
  color: var(--text-muted);
}

.btn-launch {
  background: var(--accent-cyan);
  color: #020617;
  border: none;
  border-radius: 10px;
  padding: 9px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.btn-launch:hover {
  background: #7dd3fc;
  transform: translateY(-1px);
}

/* Game Playing Container */
.game-viewport {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: #020617;
}

.game-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid var(--border-subtle);
}

.btn-back {
  background: var(--border-subtle);
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.15s;
}

.btn-back:hover {
  background: var(--border-hover);
}

.game-hud {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  font-family: monospace;
}

.hud-item strong {
  color: var(--accent-cyan);
  font-size: 1rem;
}

.canvas-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 16px;
  overflow: hidden;
}

.canvas-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  border: 2px solid var(--border-subtle);
  background: #0f172a;
  max-width: 100%;
}

canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Game Bottom Controls Bar */
.game-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: rgba(15, 23, 42, 0.95);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.touch-controls {
  display: none;
  gap: 8px;
}

@media (max-width: 768px) {
  .touch-controls {
    display: flex;
  }
}

.touch-btn {
  background: var(--border-subtle);
  border: 1px solid var(--border-hover);
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.open {
  display: flex;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-hover);
  border-radius: 20px;
  padding: 28px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
}

.btn-close {
  background: var(--border-subtle);
  border: none;
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
}

.btn-close:hover {
  color: #ffffff;
  background: var(--border-hover);
}

.modal-body {
  font-size: 0.85rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.modal-body strong {
  color: #ffffff;
  display: block;
  margin-top: 14px;
  margin-bottom: 4px;
}

/* Overlays inside canvas (Countdown, Game Over) */
.canvas-modal {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  z-index: 20;
}

.canvas-modal h2 {
  font-size: 2rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 8px;
}

.canvas-modal p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.btn-restart {
  background: var(--accent-cyan);
  color: #020617;
  border: none;
  padding: 10px 24px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 8px;
}

.btn-menu {
  background: var(--border-subtle);
  color: var(--text-primary);
  border: none;
  padding: 10px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-main);
}