/* Cover art style lab — pure CSS / SVG (no external images) */

/* Shared cover shell */
.card-cover,
.card-title-row.cover-styled,
.player-art,
.hero-panel.cover-styled,
.lab-swatch {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.card-cover .cover-layer,
.card-title-row .cover-layer,
.player-art .cover-layer,
.hero-panel .cover-layer,
.lab-swatch .cover-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.card-cover > :not(.cover-layer),
.card-title-row > :not(.cover-layer),
.lab-swatch > :not(.cover-layer) {
  position: relative;
  z-index: 1;
}

/* ========== 1. Soft gradient (baseline) ========== */
.cover-style-gradient .cover-layer {
  background: linear-gradient(145deg, var(--c1, #2b4a7a), var(--c2, #1a1f2e) 70%);
}
.cover-style-gradient .cover-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.14), transparent 42%);
}

/* ========== 2. Mesh blobs ========== */
.cover-style-mesh .cover-layer {
  background: var(--c2, #12161f);
}
.cover-style-mesh .cover-layer::before,
.cover-style-mesh .cover-layer::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.85;
}
.cover-style-mesh .cover-layer::before {
  width: 70%;
  height: 70%;
  left: -10%;
  top: -15%;
  background: var(--c1, #4d8dff);
}
.cover-style-mesh .cover-layer::after {
  width: 65%;
  height: 65%;
  right: -15%;
  bottom: -20%;
  background: var(--c3, #7c5cff);
}

/* ========== 3. Dot grid ========== */
.cover-style-dots .cover-layer {
  background-color: var(--c2, #151a24);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.2px, transparent 1.4px);
  background-size: 12px 12px;
}
.cover-style-dots .cover-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c1) 55%, transparent), transparent 70%);
}

/* ========== 4. Tech grid ========== */
.cover-style-grid .cover-layer {
  background-color: #0e121a;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 18px 18px;
}
.cover-style-grid .cover-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, color-mix(in srgb, var(--c1) 50%, transparent), transparent 55%),
    radial-gradient(circle at 80% 70%, color-mix(in srgb, var(--c3, #7c5cff) 40%, transparent), transparent 50%);
}

/* ========== 5. Diagonal stripes ========== */
.cover-style-stripes .cover-layer {
  background: repeating-linear-gradient(
    -32deg,
    var(--c1, #2b4a7a),
    var(--c1, #2b4a7a) 10px,
    var(--c2, #1a1f2e) 10px,
    var(--c2, #1a1f2e) 20px
  );
}
.cover-style-stripes .cover-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.45), transparent 55%);
}

/* ========== 6. Concentric rings ========== */
.cover-style-rings .cover-layer {
  background:
    radial-gradient(circle at 50% 55%, transparent 12%, color-mix(in srgb, var(--c1) 55%, #000) 13%, transparent 14%),
    radial-gradient(circle at 50% 55%, transparent 24%, color-mix(in srgb, var(--c1) 40%, #000) 25%, transparent 26%),
    radial-gradient(circle at 50% 55%, transparent 36%, color-mix(in srgb, var(--c3, #7c5cff) 35%, #000) 37%, transparent 38%),
    radial-gradient(circle at 50% 55%, transparent 48%, rgba(255, 255, 255, 0.08) 49%, transparent 50%),
    linear-gradient(160deg, var(--c2, #12161f), #0a0c10);
}

/* ========== 7. Equalizer bars (music) — playback only ========== */
.cover-style-bars .cover-layer {
  background: linear-gradient(180deg, #10141c, var(--c2, #0d1118));
}
/* subtle pulse while this style is on the now-playing card */
.card.is-now-playing.cover-style-bars .cover-layer,
.card.is-now-playing .cover-style-bars .cover-layer,
.card.is-now-playing .card-cover.cover-style-bars .cover-layer {
  animation: eq-glow 1.2s ease-in-out infinite;
}
@keyframes eq-glow {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.12);
  }
}
.cover-style-bars .cover-layer::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 12%;
  top: 28%;
  background: repeating-linear-gradient(
    90deg,
    var(--c1, #4d8dff) 0 7px,
    transparent 7px 14px
  );
  opacity: 0.85;
  mask-image: linear-gradient(to top, #000 10%, transparent),
    repeating-linear-gradient(
      90deg,
      #000 0 7px,
      transparent 7px 14px
    );
  -webkit-mask-image: linear-gradient(
      to top,
      #000 0%,
      #000 var(--b1, 40%),
      transparent var(--b1, 40%)
    ),
    linear-gradient(
      to top,
      #000 0%,
      #000 var(--b2, 70%),
      transparent var(--b2, 70%)
    );
  clip-path: polygon(
    0% 100%, 0% 55%, 8% 55%, 8% 100%,
    12% 100%, 12% 30%, 20% 30%, 20% 100%,
    24% 100%, 24% 65%, 32% 65%, 32% 100%,
    36% 100%, 36% 20%, 44% 20%, 44% 100%,
    48% 100%, 48% 50%, 56% 50%, 56% 100%,
    60% 100%, 60% 35%, 68% 35%, 68% 100%,
    72% 100%, 72% 75%, 80% 75%, 80% 100%,
    84% 100%, 84% 25%, 92% 25%, 92% 100%,
    100% 100%, 100% 45%, 100% 100%
  );
  background: linear-gradient(to top, var(--c1), var(--c3, #7c5cff));
  opacity: 0.9;
  border-radius: 2px;
}

/* ========== 8. Vinyl ========== */
.cover-style-vinyl .cover-layer {
  background: radial-gradient(circle at 50% 50%, #2a2a2e 0 14%, #111 15% 16%, #1a1a1e 17% 18%, #0c0c0e 19% 42%, #16161a 43% 44%, #0a0a0c 45% 100%);
}
.cover-style-vinyl .cover-layer::before {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: conic-gradient(from 20deg, var(--c1), var(--c3, #7c5cff), var(--c1));
  opacity: 0.35;
  filter: blur(1px);
}
.cover-style-vinyl .cover-layer::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12%;
  height: 12%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #0b0d12;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.15);
}

/* ========== 9. Film strip ========== */
.cover-style-film {
  background: #0a0a0a !important;
}
.cover-style-film .cover-layer {
  left: 11%;
  right: 11%;
  width: auto;
  background: linear-gradient(160deg, var(--c1), var(--c2));
}
.cover-style-film::before,
.cover-style-film::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 10%;
  z-index: 0;
  background: repeating-linear-gradient(
    to bottom,
    #111 0 7px,
    #ccc 7px 9px,
    #111 9px 16px
  );
  opacity: 0.75;
  pointer-events: none;
}
.cover-style-film::before {
  left: 0;
}
.cover-style-film::after {
  right: 0;
}

/* ========== 10. Wave bands ========== */
.cover-style-waves .cover-layer {
  background: linear-gradient(180deg, var(--c2, #12161f), #0a0c10);
}
.cover-style-waves .cover-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 40% at 50% 100%, color-mix(in srgb, var(--c1) 70%, transparent), transparent 70%),
    radial-gradient(100% 35% at 50% 70%, color-mix(in srgb, var(--c3, #7c5cff) 50%, transparent), transparent 70%),
    radial-gradient(90% 30% at 50% 45%, rgba(255, 255, 255, 0.08), transparent 70%);
}

/* ========== 11. Noise grain ========== */
.cover-style-noise .cover-layer {
  background: linear-gradient(145deg, var(--c1), var(--c2));
}
.cover-style-noise .cover-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.85'/%3E%3C/svg%3E");
  background-size: 140px 140px;
  mix-blend-mode: overlay;
}

/* ========== 12. Mosaic tiles ========== */
.cover-style-mosaic .cover-layer {
  background-color: var(--c2);
  background-image:
    linear-gradient(45deg, color-mix(in srgb, var(--c1) 70%, #000) 25%, transparent 25%),
    linear-gradient(-45deg, color-mix(in srgb, var(--c1) 70%, #000) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--c3, #7c5cff) 55%, #000) 75%),
    linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--c3, #7c5cff) 55%, #000) 75%);
  background-size: 22px 22px;
  background-position: 0 0, 0 11px, 11px -11px, -11px 0;
}
.cover-style-mosaic .cover-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent 60%);
}

/* ========== 13. Use-themed (semantic colors + icon glyph) ========== */
.cover-style-use .cover-layer {
  background: linear-gradient(155deg, var(--use-c1, var(--c1)), var(--use-c2, var(--c2)));
}
.cover-style-use .cover-layer::before {
  content: var(--use-glyph, "♪");
  position: absolute;
  right: 8%;
  bottom: 4%;
  font-size: 3.2rem;
  line-height: 1;
  opacity: 0.22;
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.05em;
}
.cover-style-use .cover-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.15), transparent 40%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 12px,
      rgba(255, 255, 255, 0.03) 12px,
      rgba(255, 255, 255, 0.03) 13px
    );
}

/* ========== 14. Genre-themed patterns ========== */
.cover-style-genre .cover-layer {
  background: var(--genre-bg, linear-gradient(145deg, var(--c1), var(--c2)));
}
.cover-style-genre[data-genre="rock"] .cover-layer,
.cover-style-genre .cover-layer[data-genre="rock"] {
  background:
    repeating-linear-gradient(45deg, #3a1010 0 8px, #1a0808 8px 16px);
}
.cover-style-genre .cover-layer.is-rock {
  background:
    repeating-linear-gradient(-25deg, #4a1515 0 10px, #1c0a0a 10px 20px);
}
.cover-style-genre .cover-layer.is-jazz {
  background:
    radial-gradient(circle at 30% 40%, #c9a22755, transparent 45%),
    linear-gradient(160deg, #1a1420, #0d0a12);
}
.cover-style-genre .cover-layer.is-pop {
  background:
    radial-gradient(circle at 20% 30%, #ff6bcb55, transparent 40%),
    radial-gradient(circle at 80% 70%, #4d8dff55, transparent 40%),
    linear-gradient(145deg, #2a1840, #12101a);
}
.cover-style-genre .cover-layer.is-electronic {
  background:
    linear-gradient(90deg, #061018 50%, #0a1a22 50%),
    linear-gradient(#061018, #061018);
  background-size: 16px 100%, 100% 100%;
}
.cover-style-genre .cover-layer.is-electronic::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, #00e5ff33);
  box-shadow: inset 0 0 40px #00e5ff22;
}
.cover-style-genre .cover-layer.is-ambient {
  background:
    radial-gradient(ellipse at 50% 80%, #4d8dff44, transparent 55%),
    radial-gradient(ellipse at 70% 20%, #7c5cff33, transparent 50%),
    linear-gradient(180deg, #0b1020, #06080f);
}
.cover-style-genre .cover-layer.is-classical {
  background:
    linear-gradient(145deg, #3d3428, #1a1612);
}
.cover-style-genre .cover-layer.is-classical::before {
  content: "";
  position: absolute;
  inset: 12% 18%;
  border: 1px solid rgba(232, 210, 160, 0.35);
  border-radius: 4px;
  box-shadow: inset 0 0 0 4px rgba(232, 210, 160, 0.08);
}
.cover-style-genre .cover-layer.is-lofi {
  background:
    linear-gradient(145deg, #3a2f4a, #1a1520);
}
.cover-style-genre .cover-layer.is-lofi::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 120px;
  mix-blend-mode: soft-light;
}
.cover-style-genre .cover-layer.is-cinematic_score,
.cover-style-genre .cover-layer.is-default {
  background: linear-gradient(145deg, var(--c1), var(--c2));
}
.cover-style-genre .cover-layer.is-acoustic {
  background:
    repeating-linear-gradient(90deg, #2a2218 0 2px, #1a1510 2px 14px);
}
.cover-style-genre .cover-layer.is-acoustic::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, #c4a57433, transparent 60%);
}

/* ========== 15. Paper / washi feel ========== */
.cover-style-paper .cover-layer {
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--c1) 35%, #e8e0d4), color-mix(in srgb, var(--c2) 40%, #cfc4b4));
}
.cover-style-paper .cover-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
.cover-style-paper .card-badge {
  color: #1a1a1a;
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(0, 0, 0, 0.1);
}

/* ========== 16. Neon glow ========== */
.cover-style-neon .cover-layer {
  background: #070a10;
}
.cover-style-neon .cover-layer::before {
  content: "";
  position: absolute;
  inset: 18% 12%;
  border: 2px solid var(--c1);
  border-radius: 12px;
  box-shadow:
    0 0 12px var(--c1),
    0 0 28px color-mix(in srgb, var(--c1) 50%, transparent),
    inset 0 0 18px color-mix(in srgb, var(--c1) 30%, transparent);
}
.cover-style-neon .cover-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--c3, #7c5cff) 25%, transparent), transparent 60%);
}

/* ========== Style lab UI ========== */
.style-lab {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.1rem 1.15rem;
  margin-bottom: 1.35rem;
}

.style-lab-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 0.75rem;
}

.style-lab-head h2 {
  margin: 0;
  font-size: 1rem;
}

.style-lab-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.style-lab-picks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.style-pick {
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.32rem 0.7rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: 0.15s ease;
}

.style-pick:hover {
  border-color: rgba(77, 141, 255, 0.5);
  color: var(--text);
}

.style-pick.is-active {
  background: var(--accent-soft);
  border-color: rgba(77, 141, 255, 0.55);
  color: var(--text);
  font-weight: 600;
}

.style-lab-compare {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.65rem;
}

.lab-swatch {
  aspect-ratio: 16 / 11;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: flex-end;
  padding: 0.4rem 0.45rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.lab-swatch:hover,
.lab-swatch.is-active {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.lab-swatch span {
  font-size: 0.68rem;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 999px;
  padding: 0.12rem 0.4rem;
  color: #eef2ff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.style-lab-note {
  margin: 0.75rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  align-items: flex-end;
  margin-bottom: 0.85rem;
  padding: 0.75rem 0.85rem;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.mode-label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 220px;
}

.mode-label span {
  font-size: 0.72rem;
  color: var(--muted);
}

.mode-label select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  color: var(--text);
}

.mode-desc {
  margin: 0;
  flex: 1 1 220px;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Smooth-ish restyle when dynamic modes switch covers */
.card-cover,
.player-art,
.hero-panel.cover-styled,
.lab-swatch {
  transition: filter 0.35s ease, transform 0.2s ease;
}

.card-cover .cover-layer,
.player-art .cover-layer,
.hero-panel .cover-layer {
  transition: opacity 0.35s ease, filter 0.35s ease;
}

.card.is-now-playing .card-cover {
  box-shadow: 0 0 0 1px rgba(77, 141, 255, 0.55), 0 0 24px rgba(77, 141, 255, 0.25);
}

.card.is-now-playing .play-fab {
  animation: pulse-play 1.4s ease-in-out infinite;
}

@keyframes pulse-play {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
}

/* Style picks dim slightly when not in fixed mode */
body.cover-mode-dynamic .style-lab-picks,
body.cover-mode-dynamic .style-lab-compare {
  opacity: 0.72;
}

body.cover-mode-fixed .style-lab-picks,
body.cover-mode-fixed .style-lab-compare {
  opacity: 1;
}

/* Hero follows selected style when body has class */
body.apply-hero-style .hero-panel {
  /* layers injected */
}

body.apply-hero-style .hero-panel .hero-chip {
  position: relative;
  z-index: 1;
}

body.apply-hero-style .hero-panel .hero-wave {
  display: none;
}