/* ── Tracks view (root-level /tracks) ───────────────────────────────────────
   Hypno audio library, rendered inside the main app (reuses login, favourites,
   and the account modal). Card grid mirrors the Gallery; because tracks have no
   thumbnails, cards use a generated visual instead of an image (added in a later
   phase). Built to read as the same product as Gallery/Home — no new design
   system, same dark theme and cyan→pink accent. */

/* View switching: when the tracks view is active, hide the gallery topbar + grid
   (mirrors home.css's view-home handling). */
#tracksView { display: none; }
body.view-tracks #tracksView { display: block; }
body.view-tracks .topbar,
body.view-tracks #grid { display: none !important; }

.tracksView {
  min-height: 100vh;
  background:
    radial-gradient(90% 60% at 50% -10%, rgba(94, 231, 247, 0.10) 0%, rgba(11, 13, 18, 0) 60%),
    radial-gradient(80% 50% at 100% 0%, rgba(247, 110, 178, 0.10) 0%, rgba(11, 13, 18, 0) 55%),
    #0b0d12;
  color: #e8e9ee;
}

/* ── Top bar (home left, account right — matches the Gallery/Home pattern) ──── */
.tracksbar {
  position: sticky;
  top: 0;
  z-index: 30;
  /* 3-column grid (home left · logo center · account right), mirroring the
     Gallery .topbar layout so the logo sits dead center. */
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  /* Match the Gallery .topbar exactly: same vertical padding (bar height) and
     same horizontal padding (button-to-edge spacing). */
  padding: 10px 12px;
  background: rgba(11, 13, 18, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Same mobile shrink as the Gallery topbar (buttons drop to 34px via the shared
   .uBtn/.filterBtn rule in style.css; here we match its tighter padding). */
@media (max-width: 520px), (pointer: coarse) {
  .tracksbar {
    padding: 4px 8px;
  }
}

.tracksbar__left,
.tracksbar__right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.tracksbar__left { justify-self: start; }
.tracksbar__right { justify-self: end; }

/* Home + account buttons reuse the Gallery's circular .uBtn.filterBtn (from style.css)
   so the top bar matches the Gallery exactly. Only the authed-account glow needs a
   tracks-scoped rule, mirroring the Gallery's #accountBtn.accountBtn--authed. */
#tracksAccountBtn.accountBtn--authed .filterIcon {
  stroke: #5ee7f7;
  filter: drop-shadow(0 0 6px rgba(94, 231, 247, 0.5));
}

.tracksbar__logo { height: 34px; width: auto; display: block; justify-self: center; }

/* ── Page shell ─────────────────────────────────────────────────────────────── */
.tracks__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 40px) clamp(16px, 4vw, 40px) 120px;
}

.tracks-hero__title {
  margin: 0 0 6px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  letter-spacing: -0.02em;
}
.tracks-hero__subtitle {
  margin: 0 0 28px;
  color: rgba(232, 233, 238, 0.66);
  font-size: 1rem;
}

/* ── Card grid (mirrors the Gallery grid) ───────────────────────────────────── */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

@media (max-width: 600px) {
  .tracks-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }
}

/* ── Loading skeleton (mirrors the Gallery's loading state, §11.5) ──────────── */
.tracks-skel {
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.tracks-skel__art {
  aspect-ratio: 16 / 10;
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0.04) 30%,
    rgba(255, 255, 255, 0.10) 50%,
    rgba(255, 255, 255, 0.04) 70%
  );
  background-size: 200% 100%;
  animation: tracksShimmer 1.4s ease-in-out infinite;
}
.tracks-skel__body { padding: 12px 14px 16px; }
.tracks-skel__line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0.05) 30%,
    rgba(255, 255, 255, 0.11) 50%,
    rgba(255, 255, 255, 0.05) 70%
  );
  background-size: 200% 100%;
  animation: tracksShimmer 1.4s ease-in-out infinite;
}
.tracks-skel__line + .tracks-skel__line { margin-top: 10px; }
.tracks-skel__line--title { width: 78%; height: 15px; }
.tracks-skel__line--meta { width: 42%; }

@keyframes tracksShimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .tracks-skel__art,
  .tracks-skel__line { animation: none; }
}

/* ── Tag filter (flat, include-only chips — §4) ─────────────────────────────── */
.tracks-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}
.tracks-chip {
  all: unset;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: rgba(232, 233, 238, 0.82);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.tracks-chip:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.tracks-chip--on {
  color: #06232b;
  font-weight: 700;
  background: linear-gradient(135deg, #5ee7f7, #f76eb2);
  border-color: transparent;
}

/* ── Release card (mirrors the Gallery .card frame; generated visual, no thumb) ── */
.tracks-card {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  animation: tracksCardIn 260ms ease backwards;
  animation-delay: calc(var(--i, 0) * 30ms);
}
@media (hover: hover) and (pointer: fine) {
  .tracks-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(94, 231, 247, 0.35);
  }
}
.tracks-card:focus-visible {
  outline: 2px solid rgba(94, 231, 247, 0.8);
  outline-offset: 2px;
}

@keyframes tracksCardIn {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .tracks-card { animation: none; }
}

.tracks-card__art {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--g1, #5ee7f7), var(--g2, #f76eb2));
  overflow: hidden;
}
.tracks-card__wave {
  position: absolute;
  inset: 12% 6%;
  width: 88%;
  height: 76%;
  fill: rgba(255, 255, 255, 0.42);
}

.tracks-card__badge {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #06232b;
  background: linear-gradient(135deg, #5ee7f7, #f76eb2);
  padding: 2px 8px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.tracks-card__play {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 150ms ease, transform 150ms ease, background 150ms ease;
}
.tracks-card__play svg { width: 16px; height: 16px; fill: #fff; margin-left: 1px; }
.tracks-card__play:hover { background: rgba(0, 0, 0, 0.78); }
.tracks-card:hover .tracks-card__play,
.tracks-card:focus-within .tracks-card__play { opacity: 1; transform: scale(1); }
/* Touch devices have no hover — always show the play affordance. */
@media (hover: none) {
  .tracks-card__play { opacity: 1; transform: none; }
}

.tracks-card__body { padding: 11px 13px 14px; }
.tracks-card__title {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.25;
  color: #f3f4f8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tracks-card__meta {
  margin-top: 4px;
  font-size: 0.82rem;
  color: rgba(232, 233, 238, 0.6);
}
.tracks-card__tags {
  margin-top: 8px;
  font-size: 0.76rem;
  color: rgba(94, 231, 247, 0.72);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tracks-empty {
  grid-column: 1 / -1;
  padding: 48px 16px;
  text-align: center;
  color: rgba(232, 233, 238, 0.6);
  font-weight: 600;
}

/* ── Release detail view (§5 series · §6 single) ────────────────────────────── */
.tracks__inner--detail { max-width: 900px; }
/* Extra bottom room so the fixed player never covers content. */
body.tracks-has-player .tracks__inner { padding-bottom: 168px; }

.tracks-detail__loading { padding: 60px 0; text-align: center; color: rgba(232, 233, 238, 0.6); }

.tracks-detail__back {
  all: unset;
  cursor: pointer;
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: rgba(232, 233, 238, 0.8);
  background: rgba(255, 255, 255, 0.06);
  transition: background 140ms ease, color 140ms ease;
}
.tracks-detail__back:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

.tracks-detail__head {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 24px;
}
.tracks-detail__art {
  position: relative;
  flex: 0 0 auto;
  width: clamp(120px, 26vw, 200px);
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--g1, #5ee7f7), var(--g2, #f76eb2));
}
.tracks-detail__art .tracks-card__wave { position: absolute; inset: 12% 6%; width: 88%; height: 76%; fill: rgba(255, 255, 255, 0.42); }
.tracks-detail__badge { top: 10px; left: 10px; }
.tracks-detail__meta { min-width: 0; }
.tracks-detail__title {
  margin: 0;
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.tracks-detail__tags { margin-top: 8px; font-size: 0.85rem; color: rgba(94, 231, 247, 0.75); }
.tracks-detail__submeta { margin: 0 0 12px; font-size: 0.85rem; color: rgba(232, 233, 238, 0.55); }

/* Series parts list */
.tracks-parts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.tracks-part__btn {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 140ms ease, border-color 140ms ease;
}
.tracks-part__btn:hover { background: rgba(255, 255, 255, 0.08); }
.tracks-part.is-playing .tracks-part__btn {
  background: rgba(94, 231, 247, 0.12);
  border-color: rgba(94, 231, 247, 0.5);
}
.tracks-part__num {
  flex: 0 0 auto;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 999px;
  font-size: 0.8rem; font-weight: 700;
  color: rgba(232, 233, 238, 0.85);
  background: rgba(255, 255, 255, 0.08);
}
.tracks-part.is-playing .tracks-part__num { color: #06232b; background: linear-gradient(135deg, #5ee7f7, #f76eb2); }
.tracks-part__title { flex: 1 1 auto; min-width: 0; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tracks-part__dur { flex: 0 0 auto; font-size: 0.82rem; color: rgba(232, 233, 238, 0.55); font-variant-numeric: tabular-nums; }
.tracks-part__play { flex: 0 0 auto; display: inline-flex; }
.tracks-part__play svg { width: 16px; height: 16px; fill: rgba(94, 231, 247, 0.85); }

/* Single detail */
.tracks-single { display: flex; align-items: center; gap: 14px; margin-top: 6px; }
.tracks-single__play {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 700;
  color: #06232b;
  background: linear-gradient(135deg, #5ee7f7, #f76eb2);
  transition: filter 140ms ease, transform 120ms ease;
}
.tracks-single__play:hover { filter: brightness(1.06); }
.tracks-single__play:active { transform: translateY(1px); }
.tracks-single__play svg { width: 16px; height: 16px; fill: #06232b; }
.tracks-single__dur { font-size: 0.9rem; color: rgba(232, 233, 238, 0.6); font-variant-numeric: tabular-nums; }

/* Variant chips (single detail) */
.tracks-variants { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tracks-variant {
  all: unset;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: rgba(232, 233, 238, 0.82);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.tracks-variant:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.tracks-variant--on { color: #06232b; font-weight: 700; background: linear-gradient(135deg, #5ee7f7, #f76eb2); border-color: transparent; }

/* ── Floating player (§7) — docked bottom-center, persists while on /tracks ──── */
.tracks-player {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 16px;
  z-index: 60;
  width: min(920px, calc(100% - 24px));
  border-radius: 16px;
  background: rgba(18, 21, 28, 0.92);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
  animation: tracksPlayerIn 220ms ease;
}
@keyframes tracksPlayerIn {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}
.tracks-player__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) auto;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
}
.tracks-player__info { min-width: 0; }
.tracks-player__title { font-weight: 700; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tracks-player__sub { margin-top: 2px; font-size: 0.8rem; color: rgba(232, 233, 238, 0.55); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tracks-player__center { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.tracks-player__controls { display: flex; align-items: center; justify-content: center; gap: 10px; }
.tracks-player__btn {
  all: unset;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 999px;
  color: #e8e9ee;
  transition: background 140ms ease, opacity 140ms ease;
}
.tracks-player__btn:hover { background: rgba(255, 255, 255, 0.10); }
.tracks-player__btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.tracks-player__btn--play {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, #5ee7f7, #f76eb2);
  color: #06232b;
}
.tracks-player__btn--play:hover { filter: brightness(1.06); background: linear-gradient(135deg, #5ee7f7, #f76eb2); }
.tracks-player__btn--play svg { fill: #06232b; stroke: none; width: 22px; height: 22px; }
.tracks-player__btn[disabled] { opacity: 0.3; pointer-events: none; }
/* Prev/next only make sense for a series. */
.tracks-player:not(.tracks-player--series) .tracks-player__step { display: none; }

.tracks-player__seekRow { display: flex; align-items: center; gap: 10px; }
.tracks-player__time { flex: 0 0 auto; font-size: 0.72rem; color: rgba(232, 233, 238, 0.6); font-variant-numeric: tabular-nums; min-width: 36px; text-align: center; }
.tracks-player__seek, .tracks-player__volRange {
  -webkit-appearance: none; appearance: none;
  height: 4px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
}
.tracks-player__seek { flex: 1 1 auto; }
.tracks-player__seek::-webkit-slider-thumb, .tracks-player__volRange::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 13px; height: 13px; border-radius: 50%;
  background: #5ee7f7; border: none; cursor: pointer;
}
.tracks-player__seek::-moz-range-thumb, .tracks-player__volRange::-moz-range-thumb {
  width: 13px; height: 13px; border-radius: 50%;
  background: #5ee7f7; border: none; cursor: pointer;
}

.tracks-player__right { display: flex; align-items: center; gap: 10px; }
.tracks-player__variants { display: flex; gap: 6px; }
.tracks-player__variant {
  all: unset;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  color: rgba(232, 233, 238, 0.8);
  background: rgba(255, 255, 255, 0.08);
  transition: background 140ms ease, color 140ms ease;
}
.tracks-player__variant:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }
.tracks-player__variant.is-on { color: #06232b; font-weight: 700; background: linear-gradient(135deg, #5ee7f7, #f76eb2); }
.tracks-player__vol { display: flex; align-items: center; gap: 6px; }
.tracks-player__vol svg { width: 18px; height: 18px; fill: none; stroke: rgba(232, 233, 238, 0.7); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.tracks-player__volRange { width: 74px; }
.tracks-player__close { width: 30px; height: 30px; }
.tracks-player__close svg { display: none; }

/* Responsive player: collapse the info column and volume on small screens. */
@media (max-width: 640px) {
  .tracks-player { bottom: 8px; width: calc(100% - 12px); }
  .tracks-player__inner { grid-template-columns: 1fr; gap: 8px; padding: 10px 12px; }
  .tracks-player__info { text-align: center; order: -1; }
  .tracks-player__vol { display: none; }
  .tracks-player__right { justify-content: center; }
  body.tracks-has-player .tracks__inner { padding-bottom: 210px; }
}