@tailwind base;
@tailwind components;
@tailwind utilities;

/* ═══════════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════════ */

@layer base {
  :root {
    /* Dark theme (default) — calibrated to Stitch designs */
    --bg-base:          #010615;
    --bg-surface:       #0b0f20;
    --bg-elevated:      #11162c;
    --bg-glass:         rgba(11, 15, 32, 0.75);
    --text-primary:     #f0f4ff;
    --text-secondary:   #8892b0;
    --text-muted:       #566080;
    --accent-primary:   #6c6ff7;
    --accent-secondary: #0dc5e0;
    --accent-rose:      #f84b6b;
    --accent-gold:      #f7b80a;
    --accent-emerald:   #12c278;
    --accent-glow:      rgba(108, 111, 247, 0.28);
    --bg-primary:       #010615;
    --bg-secondary:     #0b0f20;
    --border-color:     rgba(255, 255, 255, 0.07);
    --border-hover:     rgba(255, 255, 255, 0.14);
    --radius-sm:        0.625rem;
    --radius-md:        0.875rem;
    --radius-lg:        1.125rem;
    --radius-xl:        1.5rem;
    --radius-panel:     1.5rem;
    --radius-card:      1.125rem;
    --glass-blur:       blur(28px) saturate(180%);
    --shadow-card:      0 4px 24px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.7), 0 4px 12px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    --shadow-glow:      0 0 28px var(--accent-glow);
    --font-display:     'Montserrat', ui-sans-serif, system-ui, sans-serif;
    --font-body:        'Outfit', ui-sans-serif, system-ui, sans-serif;
    --transition-base:  200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow:  400ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  :root.light-theme,
  .light-theme {
    --bg-base:          #f8f5f0;
    --bg-surface:       #f0ece6;
    --bg-elevated:      #e8e3da;
    --bg-glass:         rgba(255, 252, 247, 0.8);
    --text-primary:     #1a1a2e;
    --text-secondary:   #5c6370;
    --text-muted:       #9099a8;
    --accent-primary:   #5b5fc7;
    --accent-secondary: #0891b2;
    --accent-rose:      #e11d48;
    --accent-gold:      #b8960c;
    --accent-emerald:   #059669;
    --accent-glow:      rgba(91, 95, 199, 0.15);
    --bg-primary:       #f8f5f0;
    --bg-secondary:     #f0ece6;
    --border-color:     rgba(0, 0, 0, 0.06);
    --border-hover:     rgba(0, 0, 0, 0.12);
    --glass-blur:       blur(20px) saturate(150%);
    --shadow-card:      0 2px 16px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    --shadow-glow:      0 0 20px var(--accent-glow);
  }
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-slow), color var(--transition-base);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 30% at 5% 0%,   rgba(108, 111, 247, 0.10) 0%, transparent 50%),
    radial-gradient(ellipse 55% 35% at 95% 100%, rgba(13, 197, 224, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse 40% 25% at 50% 50%, rgba(108, 111, 247, 0.04) 0%, transparent 50%);
}

body.light-theme::before {
  background:
    radial-gradient(ellipse 70% 40% at 5%  5%,  rgba(184, 150, 12, 0.10) 0%, transparent 55%),
    radial-gradient(ellipse 55% 40% at 96% 96%, rgba(140, 152, 180, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 50% 25% at 50% 100%, rgba(200, 190, 170, 0.05) 0%, transparent 50%);
}

#root {
  min-height: 100vh;
  isolation: isolate;
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
}

p { margin: 0; }

/* ═══════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════ */

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* ═══════════════════════════════════════════
   COMPONENT CLASSES
   ═══════════════════════════════════════════ */

@layer components {
  /* Glass surface */
  .glass {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: background var(--transition-slow), border-color var(--transition-base), box-shadow var(--transition-base);
  }

  /* Premium glass — more opaque for modals & panels */
  .premium-glass {
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card-hover);
  }

  /* Indigo glow shadow */
  .shadow-glow-indigo {
    box-shadow: 0 0 28px var(--accent-glow);
  }

  /* Neon button — primary CTA with full glow treatment */
  .neon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: 0 0 28px var(--accent-glow);
    transition: transform var(--transition-base), filter var(--transition-base), box-shadow var(--transition-base);
    user-select: none;
  }
  .neon-button:hover {
    transform: translateY(-1px);
    filter: brightness(1.15);
    box-shadow: 0 0 36px var(--accent-glow);
  }
  .neon-button:active { transform: scale(0.97); }
  .neon-button:disabled {
    opacity: 0.5;
    transform: none;
    cursor: not-allowed;
    filter: none;
  }

  /* Premium input — elevated input variant */
  .input-premium {
    width: 100%;
    padding: 0.875rem 1.125rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  }
  .input-premium::placeholder { color: var(--text-muted); }
  .input-premium:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-surface);
  }

  /* Elevated card */
  .card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  }
  .card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-hover);
  }

  /* Input field */
  .input {
    width: 100%;
    padding: 0.875rem 1.125rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  }
  .input::placeholder { color: var(--text-muted); }
  .input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-elevated);
  }

  /* Primary button */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-base), filter var(--transition-base), box-shadow var(--transition-base);
    user-select: none;
  }
  .btn-primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
    box-shadow: 0 0 32px var(--accent-glow);
  }
  .btn-primary:active { transform: scale(0.97); }
  .btn-primary:disabled {
    opacity: 0.5;
    transform: none;
    cursor: not-allowed;
    filter: none;
  }

  /* Secondary button */
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
  }
  .btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--bg-elevated);
  }

  /* Ghost button */
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.75rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
  }
  .btn-ghost:hover { color: var(--text-primary); background: var(--bg-surface); }

  /* Badge */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 99px;
    color: var(--text-secondary);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  .badge-accent {
    background: var(--accent-glow);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
  }
}

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-left {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 12px var(--accent-glow); }
  50%      { box-shadow: 0 0 28px var(--accent-glow); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes aura {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 0.8; transform: scale(1.05); }
}

/* Animation utility classes */
.animate-fade-in    { animation: fade-in    0.3s ease both; }
.animate-slide-up   { animation: slide-up   0.4s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.animate-slide-down { animation: slide-down 0.35s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.animate-slide-left { animation: slide-left 0.3s ease both; }
.animate-scale-in   { animation: scale-in  0.35s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.animate-float      { animation: float     4s ease-in-out infinite; }
.animate-spin-slow  { animation: spin-slow 12s linear infinite; }
.animate-aura       { animation: aura      3s ease-in-out infinite; }

/* Shimmer skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-surface) 25%,
    var(--bg-elevated) 50%,
    var(--bg-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* Stagger grid */
.stagger > * {
  animation: slide-up 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.stagger > *:nth-child(1)  { animation-delay: 0ms; }
.stagger > *:nth-child(2)  { animation-delay: 55ms; }
.stagger > *:nth-child(3)  { animation-delay: 110ms; }
.stagger > *:nth-child(4)  { animation-delay: 165ms; }
.stagger > *:nth-child(5)  { animation-delay: 220ms; }
.stagger > *:nth-child(6)  { animation-delay: 275ms; }
.stagger > *:nth-child(7)  { animation-delay: 330ms; }
.stagger > *:nth-child(8)  { animation-delay: 385ms; }
.stagger > *:nth-child(9)  { animation-delay: 440ms; }
.stagger > *:nth-child(10) { animation-delay: 495ms; }
.stagger > *:nth-child(11) { animation-delay: 550ms; }
.stagger > *:nth-child(12) { animation-delay: 605ms; }
.stagger > *:nth-child(n+13) { animation-delay: 660ms; }

/* ═══════════════════════════════════════════
   AUDIO PLAYER SPECIFIC
   ═══════════════════════════════════════════ */

.player-artwork-ring {
  box-shadow:
    0 0 0 4px var(--bg-base),
    0 0 0 5px var(--border-color),
    0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Range input styling */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--border-color);
  border-radius: 99px;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-glow);
  cursor: pointer;
  transition: transform var(--transition-base);
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* ═══════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════ */

.text-balance { text-wrap: balance; }
.truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}