/* css/components.css — Spotify & Tidal Level UI Components */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  background: var(--bg-card);
  color: var(--fg);
  cursor: pointer;
  transition: all var(--tr-fast);
  text-decoration: none;
  line-height: 1;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--line-strong);
  color: var(--fg-bright);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px);
}

.btn-accent {
  background: var(--bias);
  color: #000000;
  border-color: var(--bias);
  font-weight: 700;
  box-shadow: 0 4px 14px var(--bias-glow);
}

.btn-accent:hover {
  filter: brightness(1.1);
  background: var(--bias);
  color: #000000;
  border-color: var(--bias);
  box-shadow: 0 6px 20px var(--bias-glow);
  transform: scale(1.02);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--fg-mid);
}

.btn-ghost:hover {
  color: var(--fg-bright);
  border-color: var(--line-strong);
  background: var(--bg-subtle);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 13px 28px;
  font-size: 15px;
}

.btn-xs {
  padding: 4px 10px;
  font-size: 11px;
}

/* Floating Action Play Button (Spotify / Tidal style) */
.play-fab {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bias);
  color: #000000;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px var(--bias-glow);
  transition: all var(--tr-norm);
  font-size: 16px;
  padding-left: 3px; /* visual center for play triangle */
}

.play-fab:hover {
  transform: scale(1.12);
  filter: brightness(1.15);
  box-shadow: 0 10px 30px var(--bias-glow);
}

.play-fab.is-playing {
  padding-left: 0;
}

/* Equalizer Bars (Live Visualizer) */
.eq-visualizer {
  display: flex;
  align-items: flex-end;
  gap: 2.5px;
  height: 16px;
  width: 16px;
}

.eq-bar {
  width: 2.5px;
  background: var(--bias);
  border-radius: 2px;
  height: 4px;
  animation: eqBounce 0.8s infinite ease-in-out alternate;
}

.eq-bar:nth-child(1) { animation-delay: 0.1s; height: 6px; }
.eq-bar:nth-child(2) { animation-delay: 0.3s; height: 14px; }
.eq-bar:nth-child(3) { animation-delay: 0.2s; height: 9px; }
.eq-bar:nth-child(4) { animation-delay: 0.4s; height: 12px; }

@keyframes eqBounce {
  0% { height: 3px; }
  100% { height: 16px; }
}

.eq-visualizer.is-paused .eq-bar {
  animation-play-state: paused;
  height: 4px;
}

/* Track Thumbnail Cover Visualizer */
.track-thumb-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.track-thumb-box .thumb-gradient {
  position: absolute;
  inset: 0;
  opacity: 0.85;
}

.track-thumb-box .thumb-icon {
  position: relative;
  z-index: 1;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

.track-thumb-box .thumb-hover-play {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--tr-fast);
  z-index: 2;
  color: var(--bias);
  font-size: 16px;
}

.track-thumb-box:hover .thumb-hover-play,
.chart-row-item:hover .thumb-hover-play {
  opacity: 1;
}

/* Pills & Badges */
.pill, .tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  line-height: 1.25;
  white-space: nowrap;
}

.pill-muted, .tag {
  background: var(--bg-subtle);
  color: var(--fg-mid);
  border: 1px solid var(--line);
}

.pill-accent, .tag.accent {
  background: var(--bias-glow-soft);
  color: var(--bias);
  border: 1px solid var(--bias);
}

.pill-artist {
  background: rgba(139, 92, 246, 0.12);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.35);
}

.pill-prod {
  background: rgba(249, 115, 22, 0.12);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.35);
}

.pill-song {
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.pill-cb {
  background: rgba(225, 29, 72, 0.12);
  color: #fb7185;
  border: 1px solid rgba(225, 29, 72, 0.35);
}

.pill-gen {
  background: var(--bg-card);
  color: var(--fg-dim);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Tag Tabs */
.tag-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag-tab {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  background: var(--bg-card);
  color: var(--fg-mid);
  cursor: pointer;
  transition: all var(--tr-fast);
}

.tag-tab:hover {
  color: var(--fg-bright);
  border-color: var(--line-strong);
  background: var(--bg-card-hover);
}

.tag-tab.is-active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* Inputs & Forms */
.text-input, .select-input, .chart-search-input {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--fg-bright);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--tr-fast), box-shadow var(--tr-fast);
  width: 100%;
}

.text-input:focus, .select-input:focus, .chart-search-input:focus {
  border-color: var(--bias);
  box-shadow: 0 0 0 3px var(--bias-glow-soft);
}

.chart-search-input {
  width: 280px;
  border-radius: var(--radius-full);
  padding-left: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--fg-mid);
  margin-bottom: 6px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr-norm);
}

.modal-backdrop.is-active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 32px;
  position: relative;
  transform: scale(0.96) translateY(12px);
  transition: transform var(--tr-norm);
}

.modal-backdrop.is-active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  color: var(--fg-mid);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--tr-fast);
}

.modal-close-btn:hover {
  color: var(--fg-bright);
  border-color: var(--fg-bright);
}

.modal-header {
  margin-bottom: 22px;
}

.modal-title {
  font-size: 1.75rem;
  margin: 10px 0 4px;
}

.modal-hangul {
  font-weight: 400;
  color: var(--fg-mid);
  font-size: 1.3rem;
  margin-left: 6px;
}

.modal-subtitle {
  font-size: 13.5px;
  color: var(--fg-dim);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.modal-section {
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.modal-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.section-label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  margin-bottom: 12px;
  font-weight: 700;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Deep-Links Grid (Spotify/Apple/YouTube/MelOn) */
.deeplinks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.deeplink-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  color: var(--fg);
  text-decoration: none;
  transition: all var(--tr-fast);
}

.deeplink-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--bias);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.deeplink-btn.spotify:hover { border-color: var(--spotify-green); color: var(--spotify-green); }
.deeplink-btn.apple:hover { border-color: var(--apple-music); color: var(--apple-music); }
.deeplink-btn.youtube:hover { border-color: var(--youtube-red); color: var(--youtube-red); }
.deeplink-btn.melon:hover { border-color: var(--melon-green); color: var(--melon-green); }
.deeplink-btn.bandcamp:hover { border-color: var(--bandcamp-blue); color: var(--bandcamp-blue); }

/* Canonical Box */
.canonical-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  display: grid;
  gap: 10px;
}

.meta-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  gap: 12px;
}

.meta-k {
  color: var(--fg-dim);
  font-size: 12px;
}

.meta-v {
  color: var(--fg-bright);
  font-weight: 500;
  text-align: right;
}

.credits-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.credit-pill {
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--bg-card);
  border: 1px solid var(--line);
}

.credit-pill.credit-prod {
  border-color: var(--bias);
  color: var(--bias);
}

/* ================= BOTTOM NOW-PLAYING DOCK ================= */
.bottom-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--dock-height);
  background: var(--bg-dock);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--line);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: transform var(--tr-norm);
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.4);
}

.dock-wrap {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 1.6fr 1.4fr;
  align-items: center;
  gap: 20px;
}

.dock-track-info {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.dock-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.dock-titles {
  min-width: 0;
}

.dock-title-text {
  font-weight: 600;
  font-size: 14px;
  color: var(--fg-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.dock-artist-text {
  font-size: 12px;
  color: var(--fg-mid);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.dock-like-btn {
  background: transparent;
  border: 0;
  color: var(--fg-dim);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  transition: all var(--tr-fast);
}

.dock-like-btn:hover {
  color: var(--bias);
  transform: scale(1.15);
}

.dock-like-btn.is-liked {
  color: #ff4d6d;
}

/* Center Playback Simulator */
.dock-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.dock-buttons-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dock-ctrl-btn {
  background: transparent;
  border: 0;
  color: var(--fg-mid);
  cursor: pointer;
  font-size: 14px;
  transition: color var(--tr-fast);
}

.dock-ctrl-btn:hover {
  color: var(--fg-bright);
}

.dock-play-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--fg-bright);
  color: var(--bg);
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  transition: transform var(--tr-fast);
}

.dock-play-circle:hover {
  transform: scale(1.08);
}

.dock-timeline-row {
  width: 100%;
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
}

.dock-timeline-bar {
  flex: 1;
  height: 4px;
  background: var(--line);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
}

.dock-timeline-fill {
  height: 100%;
  background: var(--fg);
  border-radius: var(--radius-full);
  width: 25%;
  position: relative;
  transition: width 0.1s linear;
}

.dock-timeline-bar:hover .dock-timeline-fill {
  background: var(--bias);
}

/* Right Actions & Deep-Links */
.dock-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.dock-deeplink-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--fg);
  text-decoration: none;
  transition: all var(--tr-fast);
}

.dock-deeplink-btn:hover {
  border-color: var(--bias);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.dock-deeplink-btn.spotify {
  background: rgba(29, 185, 84, 0.1);
  border-color: rgba(29, 185, 84, 0.35);
  color: var(--spotify-green);
}

.dock-deeplink-btn.spotify:hover {
  background: var(--spotify-green);
  color: #000;
}

@media (max-width: 900px) {
  .dock-wrap {
    grid-template-columns: 1fr auto;
  }
  .dock-controls {
    display: none;
  }
}