/* ============================================
   Pusa Designer Games - Main Stylesheet
   Theme: Futuristic Gaming UI + Glassmorphism + Neon
   Default: Light Mode
   ============================================ */

/* -------------------------------------------
   1. CSS Variables & Theme
   ------------------------------------------- */
:root {
  --primary: #6c5ce7;
  --primary-dark: #5a4bd1;
  --primary-light: #a29bfe;
  --accent: #fd79a8;
  --accent-light: #fab1c8;
  --warning: #fdcb6e;
  --success: #00b894;
  --danger: #ff6b6b;
  --info: #48dbfb;
  --purple: #5f27cd;
  --pink: #ff9ff3;
  --orange: #e17055;
  --blue: #54a0ff;

  --font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --bg: #f8f9fe;
  --bg-alt: #f0f1f8;
  --bg-gradient: linear-gradient(135deg, #f8f9fe 0%, #eef0f7 100%);
  --text: #1a1a2e;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;

  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(108, 92, 231, 0.08);
  --glass-blur: 20px;

  --card-bg: #ffffff;
  --card-border: rgba(108, 92, 231, 0.08);
  --card-shadow: 0 4px 24px rgba(108, 92, 231, 0.06);

  --nav-bg: rgba(255, 255, 255, 0.85);
  --nav-border: rgba(108, 92, 231, 0.08);
  --nav-blur: 20px;

  --hero-overlay: linear-gradient(
    135deg,
    rgba(108, 92, 231, 0.03) 0%,
    rgba(253, 121, 168, 0.03) 100%
  );

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 1200px;

  --scrollbar-track: transparent;
  --scrollbar-thumb: rgba(108, 92, 231, 0.2);
}

[data-theme="dark"] {
  --bg: #0a0a1a;
  --bg-alt: #12122a;
  --bg-gradient: linear-gradient(135deg, #0a0a1a 0%, #12122a 100%);
  --text: #e8e8f0;
  --text-secondary: #9898b0;
  --text-muted: #6b6b85;

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.06);
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);

  --nav-bg: rgba(10, 10, 26, 0.85);
  --nav-border: rgba(255, 255, 255, 0.06);

  --hero-overlay: linear-gradient(
    135deg,
    rgba(108, 92, 231, 0.08) 0%,
    rgba(253, 121, 168, 0.08) 100%
  );

  --scrollbar-thumb: rgba(108, 92, 231, 0.3);
}

/* -------------------------------------------
   2. Reset & Base
   ------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family);
  background: var(--bg-gradient);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* -------------------------------------------
   4. Glass Card Utility
   ------------------------------------------- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
}

/* -------------------------------------------
   5. Glow Text
   ------------------------------------------- */
.glow-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* -------------------------------------------
   6. Splash Screen
   ------------------------------------------- */
.splash-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition:
    opacity var(--transition-slow),
    visibility var(--transition-slow);
}

.splash-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 50%, var(--primary) 08 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, var(--accent) 08 0%, transparent 50%);
}

.splash-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.splash-logo-container {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 2rem;
}

.splash-logo-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--primary);
  border-right-color: var(--accent);
  animation: splashSpin 1.5s linear infinite;
}

.splash-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  /* box-shadow: 0 20px 60px rgba(108, 92, 231, 0.3); */
  animation: splashFloat 2s ease-in-out infinite;
}

.splash-title {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.splash-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

.splash-loader {
  width: 200px;
  height: 4px;
  background: var(--bg-alt);
  border-radius: 2px;
  margin: 0 auto 1rem;
  overflow: hidden;
}

.splash-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  animation: splashLoad 2s ease-in-out forwards;
}

.splash-status-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 200px;
  margin: 0 auto;
}

.splash-status-text,
.splash-percent {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

@keyframes splashSpin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes splashFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
@keyframes splashLoad {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

/* -------------------------------------------
   7. Navbar
   ------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(var(--nav-blur));
  -webkit-backdrop-filter: blur(var(--nav-blur));
  border-bottom: 1px solid var(--nav-border);
  height: 64px;
  transition: var(--transition);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.nav-logo {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}

.nav-brand-text {
  display: none;
}

@media (min-width: 640px) {
  .nav-brand-text {
    display: inline;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: var(--primary) 08;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.5rem;
  padding-left: 0.5rem;
  border-left: 1px solid var(--nav-border);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.icon-btn:hover {
  background: var(--primary) 10;
  color: var(--primary);
}

[data-theme="light"] .moon-icon {
  display: none;
}
[data-theme="dark"] .sun-icon {
  display: none;
}

.sound-off-icon {
  display: none;
}
.sound-disabled .sound-on-icon {
  display: none;
}
.sound-disabled .sound-off-icon {
  display: block;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(var(--nav-blur));
    border-bottom: 1px solid var(--nav-border);
    padding: 1rem;
    flex-direction: column;
    gap: 0.25rem;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-link {
    width: 100%;
  }
  .nav-controls {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--nav-border);
    width: 100%;
    justify-content: center;
  }
}

/* -------------------------------------------
   8. Hero Section
   ------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 6rem 1.5rem 3rem;
}

.particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--hero-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  animation: heroFadeIn 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-title-line {
  display: block;
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
}

.hero-title-accent {
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--accent),
    var(--info)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  font-family: var(--font-family);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
}

.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.hero-stats-bar {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 1.5rem 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(var(--glass-blur));
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  font-family: var(--font-mono);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: scrollBounce 2s ease-in-out infinite;
  z-index: 2;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes scrollBounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -------------------------------------------
   9. Sections
   ------------------------------------------- */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* -------------------------------------------
   10. Search Section
   ------------------------------------------- */
.search-section {
  padding: 2rem 0;
}

.search-container {
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  border: 1px solid transparent;
  transition: var(--transition);
  min-width: 200px;
}

.search-wrapper:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-input {
  border: none;
  background: none;
  outline: none;
  font-size: 0.95rem;
  color: var(--text);
  width: 100%;
  font-family: var(--font-family);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.filter-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* -------------------------------------------
   11. Games Grid
   ------------------------------------------- */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.game-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
}

.game-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(108, 92, 231, 0.12);
  border-color: var(--primary) 20;
}

.game-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  border-radius: 50%;
  opacity: 0;
  transition: var(--transition-slow);
  pointer-events: none;
}

.game-card:hover .game-card-glow {
  opacity: 0.08;
  background: radial-gradient(circle, var(--card-color), transparent 70%);
}

.game-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  pointer-events: none;
}

.game-card-content {
  position: relative;
  z-index: 1;
  padding: 1.75rem;
}

.game-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.game-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.game-card-difficulty {
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.difficulty-easy {
  background: var(--success) 15;
  color: var(--success);
}

.difficulty-medium {
  background: var(--warning) 20;
  color: #d4a017;
}

.difficulty-hard {
  background: var(--danger) 15;
  color: var(--danger);
}

.game-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.game-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

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

.game-card-ai {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ai-badge {
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.ai-score {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  font-family: var(--font-mono);
  min-width: 30px;
}

.game-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
}

.game-card-btn:hover {
  background: var(--primary-dark);
  gap: 0.6rem;
}

.game-card.hidden {
  display: none;
}

/* -------------------------------------------
   12. Stats Section
   ------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* -------------------------------------------
   13. Leaderboard
   ------------------------------------------- */
.leaderboard-container {
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.leaderboard-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.lb-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
}

.lb-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.lb-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.leaderboard-content {
  min-height: 100px;
}

.lb-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.lb-empty-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.lb-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.lb-item:hover {
  background: var(--bg-alt);
}

.lb-rank {
  width: 32px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-align: center;
}

.lb-rank-1 {
  color: #ffd700;
}
.lb-rank-2 {
  color: #c0c0c0;
}
.lb-rank-3 {
  color: #cd7f32;
}

.lb-info {
  flex: 1;
}

.lb-name {
  font-weight: 600;
  color: var(--text);
}

.lb-game {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.lb-score {
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

.lb-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
}

/* -------------------------------------------
   14. Daily Challenge
   ------------------------------------------- */
.daily-challenge {
  padding: 2rem;
}

.daily-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.daily-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.daily-badge {
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--warning), var(--orange));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
}

.daily-body {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.daily-icon {
  font-size: 2.5rem;
}

.daily-info {
  flex: 1;
  min-width: 200px;
}

.daily-info h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.daily-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.daily-progress {
  width: 100%;
  height: 6px;
  background: var(--bg-alt);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.daily-progress-bar {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--warning), var(--orange));
  transition: width var(--transition-slow);
}

.daily-progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
  font-family: var(--font-mono);
}

/* -------------------------------------------
   15. Footer
   ------------------------------------------- */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 4rem 2rem 2rem;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-section h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-ai {
  font-family: var(--font-mono);
}

/* -------------------------------------------
   16. Achievement Popup
   ------------------------------------------- */
.achievement-popup {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
  z-index: 9998;
  transform: translateX(120%);
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  backdrop-filter: blur(var(--glass-blur));
}

.achievement-popup.show {
  transform: translateX(0);
}

.achievement-icon {
  font-size: 2rem;
}

.achievement-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--warning), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.achievement-title {
  font-weight: 600;
  color: var(--text);
}

/* -------------------------------------------
   17. Music Toggle
   ------------------------------------------- */
#music-toggle.active {
  color: var(--primary);
  animation: musicPulse 2s ease-in-out infinite;
}

@keyframes musicPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(108, 92, 231, 0);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(108, 92, 231, 0.1);
  }
}

/* -------------------------------------------
   18. Animations
   ------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.game-card {
  animation: fadeIn 0.6s ease-out backwards;
}

.game-card:nth-child(1) {
  animation-delay: 0.05s;
}
.game-card:nth-child(2) {
  animation-delay: 0.1s;
}
.game-card:nth-child(3) {
  animation-delay: 0.15s;
}
.game-card:nth-child(4) {
  animation-delay: 0.2s;
}
.game-card:nth-child(5) {
  animation-delay: 0.25s;
}
.game-card:nth-child(6) {
  animation-delay: 0.3s;
}

/* Smooth page transition */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  z-index: 9997;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.page-transition.active {
  opacity: 1;
}

/* -------------------------------------------
   19. Responsive
   ------------------------------------------- */
@media (max-width: 1024px) {
  .games-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }

  .hero {
    min-height: 90vh;
    padding: 5rem 1rem 2rem;
  }

  .hero-stats-bar {
    padding: 1rem;
    gap: 1rem;
  }

  .hero-stat-value {
    font-size: 1.25rem;
  }

  .games-grid {
    grid-template-columns: 1fr;
  }

  .search-container {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .daily-body {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  .achievement-popup {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

/* -------------------------------------------
   20. Selection
   ------------------------------------------- */
::selection {
  background: var(--primary) 30;
  color: var(--text);
}

/* -------------------------------------------
   21. Accessibility
   ------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}