:root {
  color-scheme: dark;
  --bg: #04060d;
  --ink: #0a1430;
  --accent: #ff4ea3;
  --panel: rgba(14, 15, 20, 0.68);
  --panel-strong: rgba(18, 19, 25, 0.82);
  --edge: rgba(255, 255, 255, 0.1);
  --edge-strong: rgba(255, 255, 255, 0.16);
  --text: rgba(255, 255, 255, 0.96);
  --muted: rgba(255, 255, 255, 0.62);
  --hero-pill-size: clamp(0.68rem, 1.7vw, 0.82rem);
  --hero-title-size: clamp(2.2rem, 7.4vw, 5.2rem);
  --dock-gap: clamp(0.45rem, 1.1vw, 0.7rem);
  --dock-pad-y: clamp(0.5rem, 1vw, 0.7rem);
  --dock-pad-x: clamp(0.55rem, 1.2vw, 0.85rem);
  --dock-item-size: clamp(3rem, 5.6vw, 4.1rem);
  --dock-item-radius: clamp(0.95rem, 1.8vw, 1.05rem);
  --dock-icon-size: clamp(1.45rem, 2.9vw, 2rem);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 28%, rgba(61, 95, 180, 0.18), transparent 30%),
    radial-gradient(circle at 50% 62%, rgba(0, 0, 0, 0.24), transparent 38%),
    var(--bg);
}

body {
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
}

.app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  isolation: isolate;
}

.background-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
  filter:
    saturate(0.48)
    contrast(1.08)
    brightness(0.42)
    hue-rotate(176deg);
  transform: scale(1.03);
}

.scene-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.18), rgba(3, 7, 18, 0.7)),
    radial-gradient(circle at 50% 42%, transparent 0%, rgba(4, 10, 28, 0.18) 55%, rgba(4, 10, 28, 0.72) 100%),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.012) 0,
      rgba(255, 255, 255, 0.012) 1px,
      transparent 1px,
      transparent 3px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.012) 0,
      rgba(255, 255, 255, 0.012) 1px,
      transparent 1px,
      transparent 4px
    );
}

.scene-stack {
  position: fixed;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  pointer-events: none;
  padding: 1.5rem;
}

.scene-stack-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.85rem, 1.8vw, 1.15rem);
  width: min(100%, 46rem);
}

.hero-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.5rem, 1.2vw, 0.75rem);
  padding: clamp(0.25rem, 0.8vw, 0.5rem) clamp(0.7rem, 1.5vw, 1rem) 0;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: clamp(0.33rem, 0.8vw, 0.42rem) clamp(0.6rem, 1.5vw, 0.85rem);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(16, 19, 33, 0.48);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--hero-pill-size);
  font-weight: 600;
  letter-spacing: clamp(0.05em, 0.3vw, 0.08em);
  text-transform: uppercase;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.hero-title {
  margin: 0;
  color: #fff;
  font-size: var(--hero-title-size);
  line-height: 0.9;
  font-weight: 800;
  letter-spacing: -0.05em;
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  max-width: min(92vw, 100%);
}

.hero-title span {
  color: var(--accent);
}

.dock-panel {
  pointer-events: auto;
  display: flex;
  align-items: flex-end;
  gap: var(--dock-gap);
  padding: var(--dock-pad-y) var(--dock-pad-x);
  border-radius: clamp(1.2rem, 2vw, 1.4rem);
  max-width: min(100%, calc(100vw - 1rem));
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)),
    rgba(10, 14, 28, 0.62);
  border: 1px solid var(--edge);
  box-shadow:
    0 22px 48px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.dock-toast {
  position: fixed;
  left: 50%;
  top: max(1rem, env(safe-area-inset-top));
  transform: translateX(-50%) translateY(-0.35rem);
  opacity: 0;
  z-index: 4;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 11, 20, 0.84);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.28);
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.dock-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.dock-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  width: var(--dock-item-size);
  height: var(--dock-item-size);
  border-radius: var(--dock-item-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)),
    rgba(15, 19, 32, 0.95);
  color: #fff;
  text-decoration: none;
  transform: translateY(var(--item-lift, 0px)) scale(var(--item-scale, 1));
  transform-origin: center bottom;
  transition:
    transform 140ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 140ms ease,
    border-color 140ms ease,
    filter 140ms ease;
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  outline: none;
  touch-action: manipulation;
}

.dock-item:hover,
.dock-item:focus-visible {
  border-color: var(--edge-strong);
  box-shadow:
    0 18px 32px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.08) inset;
  filter: drop-shadow(0 0 calc(18px * var(--item-glow, 0)) rgba(67, 112, 255, 0.22));
  cursor: pointer;
}

.dock-brand-image {
  width: var(--dock-icon-size);
  height: var(--dock-icon-size);
  display: block;
  filter: brightness(0) invert(1) grayscale(1) opacity(0.82);
}

.player-card {
  pointer-events: auto;
  width: min(560px, calc(100vw - 2rem));
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  position: fixed;
  left: 50%;
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 3;
  overflow: hidden;
  text-align: center;
}

.player-card::before {
  content: none;
}

.player-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  position: relative;
  z-index: 1;
  align-items: center;
}

.player-title {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-align: center;
  max-width: 100%;
}

.player-artist {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  text-align: center;
}

.player-status-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.85rem;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  text-align: center;
}

.player-progress-row {
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.player-progress-range {
  appearance: none;
  width: 100%;
  height: 0.34rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.player-progress-range::-webkit-slider-thumb {
  appearance: none;
  width: 1rem;
  height: 1rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.player-progress-range::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.player-time-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.player-time-label {
  min-width: 2.8rem;
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 0.95rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.player-button {
  width: 2.8rem;
  height: 2.8rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.86);
  cursor: pointer;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease,
    color 140ms ease;
}

.player-button:hover,
.player-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.09);
}

.player-button.is-muted {
  color: rgba(255, 255, 255, 0.52);
}

.ui-icon {
  width: 1.08rem;
  height: 1.08rem;
  display: block;
}

.player-volume-group {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-width: 2.8rem;
  padding-left: 0;
}

.player-volume-popout {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.7rem);
  transform: translateX(-50%) translateY(0.4rem) scale(0.98);
  opacity: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  width: min(210px, 62vw);
  padding: 0.75rem 0.8rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(8, 11, 21, 0.95);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.35);
  transition:
    opacity 140ms ease,
    transform 140ms ease;
}

.player-volume-group.is-open .player-volume-popout {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0) scale(1);
}

.player-volume-range {
  appearance: none;
  flex: 1;
  height: 0.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.player-volume-range::-webkit-slider-thumb {
  appearance: none;
  width: 1rem;
  height: 1rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.player-volume-range::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.player-volume-value {
  min-width: 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
}

.player-track-count,
.player-playback-state {
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}

@media (max-width: 640px) {
  .scene-stack {
    padding: clamp(0.75rem, 3vw, 1rem);
  }

  .scene-stack-inner {
    gap: clamp(0.7rem, 2.8vw, 0.95rem);
    width: min(100%, 24rem);
  }

  .dock-panel {
    gap: clamp(0.4rem, 1.8vw, 0.55rem);
    padding: clamp(0.45rem, 2vw, 0.65rem);
    border-radius: 1.2rem;
    width: min(100%, 24rem);
    justify-content: center;
    flex-wrap: wrap;
  }

  .dock-item {
    width: clamp(3rem, 16vw, 3.5rem);
    height: clamp(3rem, 16vw, 3.5rem);
    border-radius: 0.95rem;
  }

  .dock-toast {
    top: max(0.75rem, env(safe-area-inset-top));
    width: min(90vw, 20rem);
    text-align: center;
    font-size: 0.78rem;
  }

  .dock-brand-image {
    width: clamp(1.35rem, 7vw, 1.65rem);
    height: clamp(1.35rem, 7vw, 1.65rem);
  }

  .hero-card {
    gap: clamp(0.4rem, 2vw, 0.6rem);
    padding-inline: 0.5rem;
  }

  .hero-pill {
    font-size: clamp(0.6rem, 2.8vw, 0.74rem);
    padding: 0.32rem 0.6rem;
    letter-spacing: 0.06em;
  }

  .hero-title {
    font-size: clamp(2.25rem, 16vw, 4rem);
    line-height: 0.88;
    letter-spacing: -0.06em;
  }

  .player-card {
    width: min(560px, calc(100vw - 1.5rem));
    bottom: max(1rem, env(safe-area-inset-bottom));
  }

  .player-controls {
    gap: 0.55rem;
  }

  .player-volume-group {
    order: 4;
  }

  .player-status-row {
    justify-content: center;
    gap: 0.35rem;
  }

  .player-time-row {
    font-size: 0.68rem;
  }
}

@media (max-height: 700px) and (min-width: 641px) {
  .scene-stack {
    padding: 1rem;
  }

  .scene-stack-inner {
    gap: 0.85rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 5.6vw, 4.5rem);
  }

  .dock-panel {
    gap: 0.55rem;
    padding: 0.6rem 0.7rem;
  }

  .dock-item {
    width: 3.6rem;
    height: 3.6rem;
  }

  .dock-brand-image {
    width: 1.7rem;
    height: 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dock-item,
  .player-button {
    transition: none;
  }
}