*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--canvas);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-top: env(safe-area-inset-top);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 80% at 20% 20%, var(--mesh-1) 0%, transparent 55%),
    radial-gradient(ellipse 80% 70% at 80% 15%, var(--mesh-2) 0%, transparent 50%),
    radial-gradient(ellipse 100% 90% at 50% 85%, var(--mesh-1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 35% 50%, var(--mesh-2) 0%, transparent 55%),
    radial-gradient(ellipse 50% 50% at 70% 70%, var(--mesh-3) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: meshDrift 20s ease-in-out infinite alternate;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

@keyframes meshDrift {
  0% {
    opacity: 0.8;
    transform: scale(1) translate(0, 0);
  }
  33% {
    opacity: 1;
    transform: scale(1.03) translate(-1%, 1%);
  }
  66% {
    opacity: 0.9;
    transform: scale(1.02) translate(1%, -1%);
  }
  100% {
    opacity: 1;
    transform: scale(1.05) translate(-0.5%, 0.5%);
  }
}

::selection {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.5), rgba(6, 182, 212, 0.4));
  color: #fff;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(124, 58, 237, 0.4);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(124, 58, 237, 0.6);
}

:focus-visible {
  outline: 2px solid var(--primary-bright);
  outline-offset: 3px;
  border-radius: 6px;
}

input:focus-visible {
  outline: 2px solid #c084fc;
  outline-offset: 0;
}

button:focus-visible {
  outline: 2px solid #c084fc;
  outline-offset: 2px;
}

a:focus-visible {
  outline: 2px solid #c084fc;
  outline-offset: 2px;
}

button, a, .btn, .content-card, .server-btn, .genre-tab,
.studio-btn, .row-arrow, .back-to-top, select, .badge {
  touch-action: manipulation;
}

button:disabled, .btn:disabled, .server-btn:disabled, .genre-tab:disabled,
select:disabled, textarea:disabled, input:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(0.5);
}

button:active, .btn:active, .play-btn:active, .genre-tab:active {
  transform: scale(0.96) !important;
  transition-duration: 0.1s !important;
}

nav, .back-to-top, .toast, .continue-bar {
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

.back-to-top, .toast {
  bottom: max(24px, env(safe-area-inset-bottom));
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .content-card:hover {
    transform: none;
  }
  body::before, body::after {
    animation: none;
  }
}