/* Soundtrack Page — Premium, minimal, cinematic */

:root {
  --st-bg: #0b0e12;
  --st-panel: rgba(17, 19, 24, 0.78);
  --st-panel-2: rgba(17, 19, 24, 0.55);
  --st-border: rgba(201, 204, 211, 0.14);
  --st-border-2: rgba(201, 204, 211, 0.22);
  --st-text: rgba(255, 255, 255, 0.92);
  --st-text-dim: rgba(214, 216, 222, 0.78);
  --st-text-faint: rgba(214, 216, 222, 0.58);
  --st-accent: #1c6ed5;
  --st-accent-2: rgba(28, 110, 213, 0.28);
  --st-focus: rgba(28, 110, 213, 0.65);
}

.soundtrack-page {
  padding-top: 84px; /* clears fixed nav */
  background: var(--st-bg);
}

.soundtrack-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(201, 204, 211, 0.10);
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(201, 204, 211, 0.06), transparent 55%),
    radial-gradient(900px 500px at 80% 30%, rgba(28, 110, 213, 0.08), transparent 60%),
    linear-gradient(180deg, rgba(11, 14, 18, 0.85), rgba(11, 14, 18, 1));
}

.soundtrack-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 14, 18, 0.10), rgba(11, 14, 18, 0.85)),
    url("../images/music-studio.jpeg") center/cover no-repeat;
  opacity: 0.22;
  pointer-events: none;
}

.soundtrack-hero-inner {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.75rem 1.5rem;
}

.soundtrack-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--st-text-faint);
  margin-bottom: 0.75rem;
}

.soundtrack-hero h1 {
  margin: 0 0 0.75rem 0;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  letter-spacing: 0.06em;
}

.soundtrack-subtitle {
  max-width: 820px;
  color: var(--st-text-dim);
  font-size: 1.05rem;
  line-height: 1.75;
  margin: 0 0 1rem 0;
}

.soundtrack-credit {
  margin: 0;
  color: var(--st-text-faint);
  font-size: 0.95rem;
}

.soundtrack-credit strong {
  color: var(--st-text);
  font-weight: 600;
}

.soundtrack-section {
  padding: 2rem 1.5rem 3.5rem;
}

.soundtrack-container {
  max-width: 1100px;
  margin: 0 auto;
}

.tracklist-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tracklist-title {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--st-text);
}

.tracklist-note {
  margin: 0;
  color: var(--st-text-faint);
  font-size: 0.95rem;
}

.tracklist {
  border: 1px solid var(--st-border);
  background: linear-gradient(180deg, rgba(17, 19, 24, 0.65), rgba(11, 14, 18, 0.65));
}

.track {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(320px, 420px);
  gap: 1.25rem;
  padding: 1.05rem 1.1rem;
  border-top: 1px solid var(--st-border);
}

.track:first-child {
  border-top: none;
}

.track.is-active {
  background: linear-gradient(90deg, rgba(28, 110, 213, 0.08), transparent 55%);
}

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

.track-chapter {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--st-text-faint);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.track-chapter .dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: rgba(201, 204, 211, 0.35);
}

.track-title {
  margin: 0;
  color: var(--st-text);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.track-subtitle {
  margin: 0.35rem 0 0 0;
  color: var(--st-text-dim);
  font-size: 0.95rem;
  line-height: 1.45;
}

.track-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  appearance: none;
  border: 1px solid var(--st-border);
  background: rgba(17, 19, 24, 0.55);
  color: var(--st-text);
  height: 38px;
  min-width: 38px;
  padding: 0 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.btn-icon:hover {
  border-color: var(--st-border-2);
  transform: translateY(-1px);
}

.btn-icon:active {
  transform: translateY(0);
}

.btn-icon[aria-pressed="true"] {
  border-color: rgba(28, 110, 213, 0.55);
  background: rgba(28, 110, 213, 0.12);
}

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

.duration {
  font-size: 0.85rem;
  color: var(--st-text-faint);
  letter-spacing: 0.04em;
  text-align: right;
  min-width: 3.5rem;
}

.progress {
  height: 10px;
  border-radius: 999px;
  border: 1px solid var(--st-border);
  background: rgba(11, 14, 18, 0.55);
  position: relative;
  cursor: pointer;
  overflow: hidden;
  touch-action: none;
}

.progress::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(201, 204, 211, 0.08), rgba(201, 204, 211, 0.02));
  pointer-events: none;
}

.progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(28, 110, 213, 0.55), rgba(201, 204, 211, 0.28));
}

.progress:focus-visible {
  outline: 2px solid var(--st-focus);
  outline-offset: 2px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 860px) {
  .track {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .track-controls {
    grid-template-columns: auto 1fr auto;
  }
}

@media (max-width: 520px) {
  .tracklist-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .track {
    padding: 0.95rem 0.9rem;
  }

  .btn-icon {
    height: 42px;
    min-width: 42px;
  }
}