@import url('https://fonts.googleapis.com/css2?family=Syne:wght@700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300..800;1,300..800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@200..800&display=swap');

/* @import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300..800;1,300..800&family=Syne:wght@700;800;900&display=swap'); */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

:root {
  /* Modular Glassmorphism & Blur Tokens */
  --glass-blur: 24px;
  --glass-opacity: 0.65;
  --glass-sat: 180%;
  --glass-bg: rgba(18, 18, 22, var(--glass-opacity));
  --glass-border: rgba(255, 255, 255, 0.08);

  --frost-blur: var(--glass-blur);
  --sidebar-blur: var(--glass-blur);
  --playerbar-blur: var(--glass-blur);
  --nowplaying-blur: var(--glass-blur);

  /* Colors - Sleek, Tailored HSL & Translucent Glassmorphism */
  --bg: #040404;
  --bg-2: rgba(8, 8, 8, 0.45);
  --bg-3: rgba(20, 20, 20, 0.6);
  --bg-4: rgba(40, 40, 40, 0.7);
  --surface: rgba(12, 12, 12, 0.5);
  --border: rgba(255, 255, 255, 0.05);
  --border-hover: rgba(255, 255, 255, 0.1);

  --text-1: #f3f3f3;
  --text-2: #ababab;
  --text-3: #5f5f5f;

  --accent: #ffffff;
  --accent-dim: rgba(255, 255, 255, 0.08);
  --accent-glow: rgba(255, 255, 255, 0.2);

  --danger: #ff4d4d;
  --success: #00e676;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;

  /* Radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 18px;
  --r-full: 9999px;

  /* Transitions (60fps safe — transform/opacity only) */
  --t-fast: 150ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --t-base: 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --t-slow: 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --t-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --sidebar-w: 220px;
  --player-h: 72px;
  --player-h-mob: 64px;
  --now-playing-w: 280px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
  height: 100dvh;
  position: relative;
}

/* Premium dynamic fluid ambient glow backdrop */
#ambient-glow {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
  filter: blur(140px);
  opacity: var(--ambient-glow-opacity, 0.35);
  transition: opacity 1.5s ease;
  transform: translateZ(0);
}

/* ── Active Scroll GPU Optimization ── */
body.is-scrolling #ambient-glow .glow-blob {
  animation-play-state: paused !important;
}

body.is-scrolling #main * {
  pointer-events: none !important;
}

.glow-blob {
  position: absolute;
  width: 45vw;
  height: 45vw;
  border-radius: 50%;
  background: var(--dynamic-glow, rgba(255, 255, 255, 0.08));
  mix-blend-mode: screen;
  transition: background 1.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.blob-1 {
  top: -10%;
  left: 20%;
  animation: floatBlob1 25s infinite alternate ease-in-out;
}

.blob-2 {
  bottom: 10%;
  right: 15%;
  background: color-mix(in srgb, var(--dynamic-glow, rgba(255, 255, 255, 0.1)) 60%, #000000);
  animation: floatBlob2 30s infinite alternate ease-in-out;
}

.blob-3 {
  top: 40%;
  left: -5%;
  width: 30vw;
  height: 30vw;
  background: color-mix(in srgb, var(--dynamic-glow, rgba(255, 255, 255, 0.05)) 30%, #000000);
  animation: floatBlob3 20s infinite alternate ease-in-out;
}

@keyframes floatBlob1 {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }

  50% {
    transform: translate(8%, 15%) scale(1.15) rotate(180deg);
  }

  100% {
    transform: translate(-5%, -8%) scale(0.9) rotate(360deg);
  }
}

@keyframes floatBlob2 {
  0% {
    transform: translate(0, 0) scale(1.1) rotate(0deg);
  }

  50% {
    transform: translate(-10%, -15%) scale(0.85) rotate(-180deg);
  }

  100% {
    transform: translate(5%, 5%) scale(1) rotate(-360deg);
  }
}

@keyframes floatBlob3 {
  0% {
    transform: translate(0, 0) scale(0.9) rotate(0deg);
  }

  50% {
    transform: translate(15%, -10%) scale(1.2) rotate(90deg);
  }

  100% {
    transform: translate(-10%, 15%) scale(0.9) rotate(180deg);
  }
}

/* Premium Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid transparent;
  background-clip: padding-box;
  border-radius: var(--r-full);
  transition: background var(--t-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
  border: 1.5px solid transparent;
  background-clip: padding-box;
}

/* Selection */
::selection {
  background: var(--accent-dim);
  color: var(--accent);
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

/* Buttons reset */
button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
  /* decoding: auto; */
}

/* Utility classes */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

/* ─── 60FPS ULTRA-SMOOTH ENGINE & GPU LAYER OPTIMIZATIONS ───────────────── */

/* Force subpixel antialiasing & GPU acceleration on interactive elements */
.nav-item,
.sidebar-playlist-item,
.btn,
.shelf-nav-btn,
.player-btn,
.modal-content,
.toast,
.volume-slider,
.progress-bar-wrap {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Optimize scrolling performance & reduce paint reflows */
#main,
.shelf-scroll,
.sidebar-playlists,
.song-grid,
.modal-body,
#now-playing {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* Smooth GPU hardware accelerated transitions for buttons & pressables */
.pressable {
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.22s ease, box-shadow 0.22s ease !important;
}

/* Ultra-smooth image decoding & rendering */
img {
  content-visibility: auto;
}