/* ============================================================
   COMPONENTS
   ============================================================ */

/* ---------- Glass surface primitive ---------- */
.glass {
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
}

.glass-strong {
  background: var(--surface-strong);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-strong);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  height: 42px;
  padding: 0 var(--sp-5);
  border-radius: var(--r-md);
  font-size: var(--fs-body);
  font-weight: 600;
  letter-spacing: var(--ls-tight);
  transition: transform var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(180deg, var(--accent-bright), var(--accent));
  color: var(--text-on-accent);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.25) inset, var(--shadow-sm);
}

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--accent-dim);
}

.btn-ghost {
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--surface);
}

.btn-danger {
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger-wash);
}

.btn-sm {
  height: 34px;
  padding: 0 var(--sp-3);
  font-size: var(--fs-small);
  border-radius: var(--r-sm);
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.btn-icon:hover {
  color: var(--text-primary);
  background: var(--surface);
}

.btn-icon.sm {
  width: 34px;
  height: 34px;
}

.btn-icon[aria-pressed="true"] {
  color: var(--accent);
}

/* ---------- Icon buttons: circular transport controls ---------- */
.btn-transport {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.btn-transport:hover {
  color: var(--text-primary);
  background: var(--surface);
}

.btn-transport-main {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-on-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px -4px rgba(198, 160, 106, 0.45);
  transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast) var(--ease-out);
}

.btn-transport-main:hover {
  filter: brightness(1.08);
}

.btn-transport-main:active {
  transform: scale(0.94);
}

.btn-transport-main.lg {
  width: 68px;
  height: 68px;
}

/* ---------- Inputs ---------- */
.input {
  width: 100%;
  height: 46px;
  padding: 0 var(--sp-4);
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: var(--fs-body);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.input::placeholder {
  color: var(--text-tertiary);
}

.input:focus {
  border-color: var(--accent-dim);
  background: var(--surface-strong);
}

.input-search {
  position: relative;
}

.input-search svg {
  position: absolute;
  left: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.input-search .input {
  padding-left: 40px;
}

/* ---------- App shell layout ---------- */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: var(--sp-5) var(--sp-4);
  border-right: 1px solid var(--border);
  background: var(--bg-elevated);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-2) var(--sp-6);
}

.sidebar-brand .mark {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  position: relative;
  flex-shrink: 0;
}

.sidebar-brand .mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.sidebar-brand .wordmark {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: var(--ls-tight);
}

.nav-group {
  margin-bottom: var(--sp-6);
}

.nav-group-label {
  padding: 0 var(--sp-3);
  margin-bottom: var(--sp-2);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-weight: 600;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  height: 42px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.nav-link svg {
  opacity: 0.75;
}

.nav-link:hover {
  background: var(--surface);
  color: var(--text-primary);
}

.nav-link[aria-current="page"] {
  color: var(--text-primary);
  background: var(--surface);
}

.nav-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  border-radius: var(--r-pill);
  background: var(--accent);
  transition: opacity var(--dur-base) var(--ease-out);
}

.nav-link .count {
  margin-left: auto;
  font-size: var(--fs-micro);
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}

.sidebar-mini-player {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}

.sidebar-mini-player:hover {
  background: var(--surface);
}

.main-content {
  min-width: 0;
  padding-bottom: calc(var(--player-h) + var(--sp-8));
}

.page-header {
  padding: var(--sp-7) var(--sp-7) var(--sp-5);
  max-width: var(--content-max);
}

.page-container {
  padding: 0 var(--sp-7);
  max-width: var(--content-max);
}

/* ---------- Landing / Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-6);
  position: relative;
}

.hero-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-7);
  z-index: 5;
}

.hero-content {
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}

.hero-mark {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  position: relative;
}

.hero-mark::after {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px 2px rgba(198, 160, 106, 0.35);
}

.hero h1 {
  font-size: var(--fs-display);
  font-weight: 650;
  letter-spacing: var(--ls-tight);
  line-height: 1.05;
}

.hero p.sub {
  color: var(--text-secondary);
  font-size: 1.08rem;
  max-width: 460px;
  line-height: var(--lh-normal);
}

.hero-form {
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

.hero-input-row {
  display: flex;
  gap: var(--sp-2);
  padding: 6px;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.hero-input-row:focus-within {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-wash);
}

.hero-input-row input {
  flex: 1;
  height: 46px;
  background: transparent;
  border: none;
  padding: 0 var(--sp-4);
  font-size: 0.98rem;
}

.hero-input-row input::placeholder {
  color: var(--text-tertiary);
}

.hero-input-row .btn-primary {
  height: 46px;
  padding: 0 var(--sp-6);
}

.hero-error {
  font-size: var(--fs-small);
  color: var(--danger);
  min-height: 18px;
  text-align: left;
  padding-left: var(--sp-2);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-tertiary);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.hero-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

/* ---------- Playlist header ---------- */
.playlist-hero {
  display: flex;
  gap: var(--sp-7);
  align-items: flex-end;
  padding: var(--sp-8) var(--sp-7) var(--sp-6);
  max-width: var(--content-max);
}

.playlist-art {
  width: 168px;
  height: 168px;
  border-radius: var(--r-lg);
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.playlist-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.playlist-meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-width: 0;
}

.playlist-meta h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.playlist-meta .channel {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.playlist-meta .stats {
  color: var(--text-tertiary);
  font-size: var(--fs-small);
}

.playlist-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}

.fav-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  height: 40px;
  padding: 0 var(--sp-4);
  border-radius: var(--r-pill);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: var(--fs-small);
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease-out);
}

.fav-toggle:hover {
  border-color: var(--accent-dim);
  color: var(--text-primary);
}

.fav-toggle[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-wash);
}

.fav-toggle svg {
  transition: transform var(--dur-fast) var(--ease-out);
}

.fav-toggle.pulse svg {
  animation: heart-pop var(--dur-slow) var(--ease-out);
}

@keyframes heart-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* ---------- Toolbar (search / sort / filter) ---------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-7);
  max-width: var(--content-max);
  flex-wrap: wrap;
}

.toolbar .input-search {
  flex: 1;
  min-width: 200px;
  max-width: 340px;
}

.toolbar .input-search .input {
  height: 40px;
}

/* ---------- Track list ---------- */
.track-list {
  max-width: var(--content-max);
  padding: 0 var(--sp-7) var(--sp-8);
}

.track-list-headrow {
  display: grid;
  grid-template-columns: 40px 1fr 90px 70px 84px;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-4);
  color: var(--text-tertiary);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-1);
}

.track-row {
  display: grid;
  grid-template-columns: 40px 1fr 90px 70px 84px;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  transition: background var(--dur-fast) var(--ease-out);
  position: relative;
}

.track-row:hover {
  background: var(--surface);
}

.track-row.playing {
  background: var(--accent-wash);
}

.track-row .idx {
  color: var(--text-tertiary);
  font-size: var(--fs-small);
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  justify-content: center;
}

.track-row .idx .play-icon {
  display: none;
  color: var(--text-primary);
}

.track-row:hover .idx .num,
.track-row.playing .idx .num {
  display: none;
}

.track-row:hover .idx .play-icon,
.track-row.playing .idx .play-icon {
  display: flex;
}

.track-row.playing .idx .play-icon {
  color: var(--accent);
}

.eq-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.eq-bars span {
  width: 2.5px;
  background: var(--accent);
  border-radius: 1px;
  animation: eq-bounce 900ms ease-in-out infinite;
}

.eq-bars span:nth-child(1) { animation-delay: -0.6s; height: 40%; }
.eq-bars span:nth-child(2) { animation-delay: -0.3s; height: 100%; }
.eq-bars span:nth-child(3) { animation-delay: -0.9s; height: 65%; }

@keyframes eq-bounce {
  0%, 100% { height: 25%; }
  50% { height: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .eq-bars span { animation: none; height: 70%; }
}

.track-row .title-col {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.track-row .title-col .title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: normal; /* السماح بالتمدد للأسفل بدلاً من القص */
  font-size: 0.92rem;
  font-weight: 500;
  line-height: var(--lh-snug);
}

.track-row.playing .title-col .title {
  color: var(--accent-bright);
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 var(--sp-2);
  border-radius: var(--r-sm);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: var(--ls-wide);
  flex-shrink: 0;
}

.badge-audio {
  color: var(--badge-audio-fg);
  background: var(--badge-audio-bg);
}

.badge-video {
  color: var(--badge-video-fg);
  background: var(--badge-video-bg);
}

.track-row .duration {
  color: var(--text-tertiary);
  font-size: var(--fs-small);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.track-row .row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sp-1);
}

.heart-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-tertiary);
  transition: color var(--dur-fast) var(--ease-out);
}

.heart-btn:hover {
  color: var(--text-secondary);
}

.heart-btn[aria-pressed="true"] {
  color: var(--danger);
}

.heart-btn.pulse svg {
  animation: heart-pop var(--dur-slow) var(--ease-out);
}

/* ---------- Skeletons ---------- */
.skeleton {
  background: linear-gradient(
    100deg,
    var(--surface) 30%,
    var(--surface-strong) 50%,
    var(--surface) 70%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--r-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; opacity: 0.6; }
}

.skel-art { width: 168px; height: 168px; border-radius: var(--r-lg); }
.skel-line { height: 14px; border-radius: 4px; }
.skel-row { height: 56px; margin-bottom: var(--sp-1); border-radius: var(--r-md); }

/* ---------- Empty / error states ---------- */
.state-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--sp-4);
  padding: var(--sp-9) var(--sp-6);
  max-width: 420px;
  margin: 0 auto;
}

.state-block .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
}

.state-block h3 {
  font-size: var(--fs-h3);
}

.state-block p {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: var(--lh-normal);
}

/* ---------- Cards (playlist library) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--sp-5);
  padding: var(--sp-3) var(--sp-7) var(--sp-8);
  max-width: var(--content-max);
}

.playlist-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
  cursor: pointer;
}

.playlist-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.playlist-card .art {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
  background: var(--bg-elevated);
}

.playlist-card .art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.playlist-card .art .card-fav {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 12, 14, 0.55);
  backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.85);
}

.playlist-card .art .card-fav[aria-pressed="true"] {
  color: var(--danger);
}

.playlist-card .body {
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.playlist-card .title {
  font-size: 0.92rem;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: normal;
  line-height: var(--lh-snug);
}

.playlist-card .sub {
  color: var(--text-tertiary);
  font-size: var(--fs-small);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Recently played list ---------- */
.recent-row {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  transition: background var(--dur-fast) var(--ease-out);
}

.recent-row:hover {
  background: var(--surface);
}

.recent-row .art {
  width: 46px;
  height: 46px;
  border-radius: var(--r-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-elevated);
}

.recent-row .art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recent-row .info {
  min-width: 0;
  flex: 1;
}

.recent-row .info .t {
  font-size: 0.9rem;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: normal;
  line-height: var(--lh-snug);
}

.recent-row .info .s {
  color: var(--text-tertiary);
  font-size: var(--fs-small);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-row .progress-mini {
  width: 100%;
  height: 2px;
  background: var(--border);
  border-radius: var(--r-pill);
  margin-top: 4px;
  overflow: hidden;
}

.recent-row .progress-mini > span {
  display: block;
  height: 100%;
  background: var(--accent-dim);
}

/* ---------- Custom dropdown ---------- */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  height: 40px;
  padding: 0 var(--sp-4);
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.dropdown-trigger:hover,
.dropdown-trigger[aria-expanded="true"] {
  border-color: var(--accent-dim);
  color: var(--text-primary);
}

.dropdown-trigger .chevron {
  transition: transform var(--dur-base) var(--ease-out);
  color: var(--text-tertiary);
}

.dropdown-trigger[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--bg-elevated);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-1);
  z-index: 60;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.dropdown-menu.align-right {
  left: auto;
  right: 0;
}

.dropdown-menu.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  height: 38px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-sm);
  font-size: var(--fs-small);
  color: var(--text-secondary);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  width: 100%;
  text-align: left;
}

.dropdown-item:hover,
.dropdown-item.focused {
  background: var(--surface);
  color: var(--text-primary);
}

.dropdown-item[aria-selected="true"] {
  color: var(--accent);
}

.dropdown-item .check {
  opacity: 0;
  color: var(--accent);
}

.dropdown-item[aria-selected="true"] .check {
  opacity: 1;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: var(--sp-1) var(--sp-2);
}

/* ---------- Context menu (shares dropdown styles) ---------- */
.context-menu {
  position: fixed;
  min-width: 190px;
  background: var(--bg-elevated);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-1);
  z-index: 200;
  opacity: 0;
  transform: scale(0.97);
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.context-menu.open {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* ---------- Persistent bottom player ---------- */
.player-bar {
  position: fixed;
  left: var(--sidebar-w);
  right: 0;
  bottom: 0;
  height: var(--player-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-5);
  background: rgba(16, 18, 21, 0.82);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid var(--border);
  z-index: 40;
  transform: translateY(100%);
  transition: transform var(--dur-slow) var(--ease-out);
}

.player-bar.visible {
  transform: translateY(0);
}

.player-now {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-width: 0;
  cursor: pointer;
}

.player-now .art {
  width: 48px;
  height: 48px;
  border-radius: var(--r-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.player-now .art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-now .meta {
  min-width: 0;
}

.player-now .meta .t {
  font-size: 0.86rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-now .meta .s {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-tertiary);
  font-size: var(--fs-micro);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
  max-width: 560px;
}

.player-transport {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.player-progress-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
}

.player-time {
  font-size: var(--fs-micro);
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  width: 38px;
  flex-shrink: 0;
}

.player-time.end {
  text-align: right;
}

.progress-track {
  position: relative;
  flex: 1;
  height: 14px;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.progress-track .rail {
  width: 100%;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--border-strong);
  overflow: hidden;
  position: relative;
}

.progress-track .fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--r-pill);
  width: 0%;
}

.progress-track .thumb {
  position: absolute;
  top: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent-bright);
  transform: translate(-50%, -50%);
  left: 0%;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.progress-track:hover .thumb,
.progress-track:focus-visible .thumb {
  opacity: 1;
}

.player-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sp-2);
}

.volume-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 110px;
}

.volume-row .progress-track {
  height: 10px;
}

/* ---------- Mobile mini player ---------- */
.mini-player {
  position: fixed;
  left: var(--sp-3);
  right: var(--sp-3);
  bottom: calc(var(--bottomnav-h) + var(--sp-2));
  height: var(--player-h-mobile);
  border-radius: var(--r-lg);
  display: none;
  align-items: center;
  gap: var(--sp-3);
  padding: 0 var(--sp-3);
  background: rgba(16, 18, 21, 0.88);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  z-index: 45;
  transform: translateY(120%);
  transition: transform var(--dur-slow) var(--ease-out);
  overflow: hidden;
}

.mini-player.visible {
  transform: translateY(0);
}

.mini-player .rail-mini {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  width: 0%;
}

.mini-player .art {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-elevated);
}

.mini-player .art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-player .meta {
  flex: 1;
  min-width: 0;
}

.mini-player .meta .t {
  font-size: 0.84rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-player .meta .s {
  font-size: var(--fs-micro);
  color: var(--text-tertiary);
}

.mini-player .actions {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

/* ---------- Full-screen player ---------- */
.fullscreen-player {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform var(--dur-slow) var(--ease-out);
}

.fullscreen-player.open {
  transform: translateY(0);
}

.fullscreen-player::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 500px at 50% 0%, var(--accent-wash), transparent 60%);
  pointer-events: none;
}

.fs-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5);
  position: relative;
  z-index: 1;
}

.fs-topbar .label {
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.fs-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-7);
  padding: var(--sp-6);
  position: relative;
  z-index: 1;
  min-height: 0;
}

.fs-artwork {
  width: min(320px, 62vw);
  height: min(320px, 62vw);
  border-radius: var(--r-xl);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.06), transparent 60%),
    linear-gradient(155deg, #17191d, #0e0f11);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.fs-artwork .ring {
  width: 46%;
  height: 46%;
  border-radius: 50%;
  border: 1.5px solid var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-artwork .ring::after {
  content: "";
  width: 30%;
  height: 30%;
  border-radius: 50%;
  background: var(--accent);
}

.fs-artwork .pulse-ring {
  position: absolute;
  inset: 0;
  border-radius: var(--r-xl);
  border: 1px solid var(--accent-wash-strong);
  opacity: 0;
}

.fs-artwork.playing .pulse-ring {
  animation: art-pulse 2.6s ease-out infinite;
}

@keyframes art-pulse {
  0% { opacity: 0.5; transform: scale(0.94); }
  100% { opacity: 0; transform: scale(1.06); }
}

.fs-meta {
  text-align: center;
  max-width: 480px;
}

.fs-meta h2 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.fs-meta .sub {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.fs-badge-row {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-2);
}

.fs-progress {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fs-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5);
}

.fs-secondary-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-6);
  padding-bottom: var(--sp-7);
  position: relative;
  z-index: 1;
}

/* ---------- Toasts ---------- */
.toast-region {
  position: fixed;
  bottom: calc(var(--player-h) + var(--sp-4));
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: center;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-small);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast .dot-icon {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 7, 8, 0.6);
  backdrop-filter: blur(4px);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  width: 100%;
  max-width: 420px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-6);
  transform: translateY(8px) scale(0.98);
  transition: transform var(--dur-base) var(--ease-out);
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal h3 {
  margin-bottom: var(--sp-2);
}

.modal p {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-5);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-3);
}

/* ---------- Settings ---------- */
.settings-section {
  max-width: 640px;
  padding: var(--sp-2) 0 var(--sp-7);
}

.settings-section h2 {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-3);
  color: var(--text-secondary);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border-bottom: 1px solid var(--border);
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-row .label {
  font-size: 0.9rem;
  font-weight: 500;
}

.settings-row .desc {
  color: var(--text-tertiary);
  font-size: var(--fs-small);
  margin-top: 2px;
}

/* ---------- Toggle switch ---------- */
.switch {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: var(--r-pill);
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  flex-shrink: 0;
  transition: background var(--dur-base) var(--ease-out);
}

.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}

.switch[aria-checked="true"] {
  background: var(--accent-wash-strong);
  border-color: var(--accent-dim);
}

.switch[aria-checked="true"]::after {
  transform: translateX(18px);
  background: var(--accent);
}

/* ---------- Key/value about ---------- */
.about-block {
  font-size: var(--fs-small);
  color: var(--text-tertiary);
  line-height: var(--lh-normal);
}

.about-block a {
  color: var(--accent);
}

/* ---------- API key notice ---------- */
.notice {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--r-md);
  background: var(--accent-wash);
  border: 1px solid var(--accent-wash-strong);
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

.notice svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------- Mobile bottom nav ---------- */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--bottomnav-h);
  display: none;
  align-items: center;
  justify-content: space-around;
  background: rgba(16, 18, 21, 0.9);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid var(--border);
  z-index: 50;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-tertiary);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: var(--sp-2) var(--sp-3);
  flex: 1;
  transition: color var(--dur-fast) var(--ease-out);
}

.bottom-nav-item[aria-current="page"] {
  color: var(--accent);
}

/* ---------- Mobile header ---------- */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 var(--sp-4);
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(var(--glass-blur-soft));
  -webkit-backdrop-filter: blur(var(--glass-blur-soft));
  border-bottom: 1px solid var(--border);
}

.mobile-header .brand {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: 700;
  font-size: 0.92rem;
}

.mobile-header .mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  position: relative;
}

.mobile-header .mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Mobile slide-out nav ---------- */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 250;
  pointer-events: none;
}

.mobile-nav-drawer .scrim {
  position: absolute;
  inset: 0;
  background: rgba(6, 7, 8, 0.6);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}

.mobile-nav-drawer .panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(78vw, 320px);
  background: var(--bg-elevated);
  border-left: 1px solid var(--border-strong);
  padding: var(--sp-6) var(--sp-4);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.mobile-nav-drawer.open {
  pointer-events: auto;
}

.mobile-nav-drawer.open .scrim {
  opacity: 1;
}

.mobile-nav-drawer.open .panel {
  transform: translateX(0);
}