:root {
  --bg: #0a0a0f;
  --bg-elevated: #14141c;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.25);
  --favorite: #f43f5e;
  --radius: 12px;
  --tap: 32px;
  --font: ui-sans-serif, system-ui, -apple-system, "SF Pro Text", "Segoe UI",
    sans-serif;
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.4;
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(
      ellipse 120% 80% at 50% -20%,
      rgba(124, 58, 237, 0.18),
      transparent 55%
    ),
    radial-gradient(
      ellipse 80% 50% at 100% 100%,
      rgba(59, 130, 246, 0.08),
      transparent 45%
    );
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.app {
  max-width: 420px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: calc(12px + env(safe-area-inset-top, 0px))
    calc(16px + env(safe-area-inset-right, 0px))
    calc(24px + env(safe-area-inset-bottom, 0px))
    calc(16px + env(safe-area-inset-left, 0px));
  display: flex;
  flex-direction: column;
}

.transport-bar {
  flex-shrink: 0;
  margin-bottom: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.transport-badge {
  margin: 0 0 6px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--favorite);
  opacity: 0.95;
}

.transport-title {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.02em;
  line-height: 1.3;
  min-height: 1.15em;
}

.transport-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.transport-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  transition: background 0.15s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

.transport-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.transport-btn:active:not(:disabled) {
  transform: scale(0.96);
}

.transport-btn:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.transport-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: #ddd6fe;
}

.transport-play:hover:not(:disabled),
.transport-play:focus-visible {
  background: rgba(124, 58, 237, 0.38);
}

.transport-btn svg {
  display: block;
}

.transport-play svg {
  width: 20px;
  height: 20px;
}

#transport-prev svg {
  transform: scaleX(-1);
  transform-origin: center;
}

.transport-filter {
  color: var(--text-muted);
}

.transport-filter svg {
  width: 20px;
  height: 20px;
}

.transport-filter.is-on {
  color: var(--favorite);
  background: rgba(244, 63, 94, 0.18);
}

.main {
  flex: 1;
  min-height: 0;
}

.track-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.track-item {
  --cover-image: none;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 34px 1fr var(--tap) var(--tap);
  align-items: center;
  gap: 6px;
  padding: 8px 10px 8px 8px;
  background-color: var(--bg-elevated);
  background-image: var(--cover-image);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease,
    opacity 0.15s ease;
}

.app.show-liked-only .track-item {
  grid-template-columns: 1fr var(--tap) var(--tap);
  padding-left: 10px;
}

.track-item.has-cover[data-artist="Imani Roots"] {
  background-position: center calc(50% + 100px);
}

.track-item.has-cover[data-artist="Soluna"] {
  background-position: center calc(50% + 60px);
}

.track-item.has-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    105deg,
    rgba(10, 10, 15, 0.94) 0%,
    rgba(10, 10, 15, 0.82) 38%,
    rgba(10, 10, 15, 0.45) 72%,
    rgba(10, 10, 15, 0.35) 100%
  );
  pointer-events: none;
  z-index: 0;
}

.track-item > * {
  position: relative;
  z-index: 1;
}

.reorder-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 34px;
  align-self: center;
}

.reorder-arrow {
  width: 30px;
  height: 15px;
  min-height: 0;
  padding: 0;
  border-radius: 6px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.reorder-arrow svg {
  width: 14px;
  height: 14px;
}

.reorder-arrow:disabled {
  opacity: 0.28;
  cursor: not-allowed;
  transform: none;
}

.track-error {
  padding: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  list-style: none;
}

.track-error code {
  font-size: 0.8em;
  color: #c4b5fd;
}

.track-item.is-playing {
  border-color: rgba(124, 58, 237, 0.45);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.track-item > .track-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 0 0 calc(var(--radius) - 2px) calc(var(--radius) - 2px);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.track-item.is-playing > .track-progress {
  opacity: 1;
}

.track-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6d28d9, #8b5cf6 55%, #c4b5fd);
  border-radius: 0 2px 0 0;
  transform-origin: left center;
}

.track-info {
  min-width: 0;
}

.track-name {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-artist {
  margin: 2px 0 0;
  font-size: 0.68rem;
  line-height: 1.2;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-item.has-cover .track-artist {
  color: rgba(228, 228, 231, 0.88);
}

.track-item.has-cover .icon-btn {
  background: rgba(10, 10, 15, 0.55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.track-item.has-cover .icon-btn.play-toggle {
  background: rgba(124, 58, 237, 0.42);
  color: #f5f3ff;
}

.track-item.has-cover .icon-btn.favorite.is-on {
  background: rgba(244, 63, 94, 0.28);
}

.icon-btn {
  width: var(--tap);
  height: var(--tap);
  padding: 0;
  border: none;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.1s ease;
}

.icon-btn:active:not(:disabled) {
  transform: scale(0.96);
}

.icon-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.icon-btn.play-toggle {
  background: var(--accent-soft);
  color: #ddd6fe;
}

.icon-btn.play-toggle:hover,
.icon-btn.play-toggle:focus-visible {
  background: rgba(124, 58, 237, 0.38);
}

.icon-btn.favorite.is-on {
  color: var(--favorite);
  background: rgba(244, 63, 94, 0.15);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
  display: block;
}

@media (max-width: 360px) {
  .app.show-liked-only .track-item {
    grid-template-columns: 1fr var(--tap) var(--tap);
  }

  .track-item {
    grid-template-columns: 32px 1fr var(--tap) var(--tap);
    gap: 5px;
    padding: 7px 8px 7px 5px;
  }

  .reorder-col {
    width: 32px;
  }

  .reorder-arrow {
    width: 28px;
    height: 14px;
  }

  .reorder-arrow svg {
    width: 12px;
    height: 12px;
  }

  :root {
    --tap: 30px;
  }
}