/* ============================================================
   Karbon Radio — design system
   Built on the Karbon Consulting tokens. Dark by default,
   light theme via [data-theme="light"]. Vanilla CSS.
   ============================================================ */

:root {
  color-scheme: dark;

  --bg:        #0a0c11;
  --bg-2:      #0d1017;
  --surface:   #12151d;
  --surface-2: #181c26;
  --border:    rgba(255, 255, 255, 0.08);
  --border-2:  rgba(255, 255, 255, 0.15);
  --text:      #f2f4f8;
  --text-mid:  #b0b5c1;
  --text-dim:  #797f8a;
  --accent:    #5b8cff;
  --accent-2:  #8a7bff;
  --accent-ink: #ffffff;
  --accent-soft: rgba(91, 140, 255, 0.13);
  --good:      #3ad29f;
  --danger:    #ff6f6f;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1180px;
  --radius:    16px;
  --radius-sm: 11px;
  --radius-xs: 8px;

  --hairline:  inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-sm: 0 1px 2px -1px rgba(0, 0, 0, 0.5), 0 4px 12px -6px rgba(0, 0, 0, 0.5);
  --shadow:    0 1px 0 rgba(255, 255, 255, 0.04) inset,
               0 2px 6px -3px rgba(0, 0, 0, 0.5),
               0 28px 60px -30px rgba(0, 0, 0, 0.8);
  --ring:      0 0 0 3px var(--accent-soft);
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --grad:      linear-gradient(100deg, var(--accent), var(--accent-2));

  font-family: var(--font);
}

[data-theme="light"] {
  color-scheme: light;

  --bg:        #f8f9fb;
  --bg-2:      #eef1f5;
  --surface:   #ffffff;
  --surface-2: #f3f5f9;
  --border:    rgba(15, 20, 35, 0.09);
  --border-2:  rgba(15, 20, 35, 0.16);
  --text:      #0e1320;
  --text-mid:  #4a515f;
  --text-dim:  #727a87;
  --accent:    #2f63ff;
  --accent-2:  #6a4dff;
  --accent-soft: rgba(47, 99, 255, 0.10);
  --good:      #12996f;
  --danger:    #d6453f;

  --hairline:  inset 0 1px 0 rgba(255, 255, 255, 0.7);
  --shadow-sm: 0 1px 2px -1px rgba(20, 30, 60, 0.12), 0 6px 16px -10px rgba(20, 30, 60, 0.18);
  --shadow:    0 1px 0 rgba(255, 255, 255, 0.8) inset,
               0 2px 6px -3px rgba(20, 30, 60, 0.12),
               0 28px 60px -34px rgba(20, 30, 60, 0.26);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
  letter-spacing: -0.005em;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
  background:
    radial-gradient(900px 500px at 85% -10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    radial-gradient(800px 500px at 5% 0%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 70%),
    var(--bg);
  background-attachment: fixed;
}

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.2; letter-spacing: -0.02em; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.gradient-bg { display: none; }

.mono { font-family: var(--mono); font-feature-settings: "tnum"; }
.tiny { font-size: 0.72rem; letter-spacing: 0.04em; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0); clip-path: inset(50%);
  overflow: hidden; white-space: nowrap;
}

::selection { background: color-mix(in srgb, var(--accent) 28%, transparent); color: var(--text); }

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* simple/advanced mode visibility */
body.is-simple-mode .adv-only { display: none !important; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  --btn-bg: var(--surface-2);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  box-shadow: var(--hairline);
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.btn:active { transform: translateY(0); }

.btn--sm { padding: 0.45rem 0.75rem; font-size: 0.82rem; }

.btn--primary {
  background: var(--grad);
  color: var(--accent-ink);
  border-color: transparent;
  box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn--primary:hover { border-color: transparent; filter: brightness(1.06); }

.btn--ghost {
  background: transparent;
  border-color: var(--border-2);
  color: var(--text-mid);
}
.btn--ghost:hover { color: var(--text); background: var(--surface-2); }

/* ============================================================
   Site header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.85rem clamp(1rem, 2.3vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 700; }
.logo-mark {
  width: 24px; height: 24px;
  border-radius: 7px;
  background: var(--grad);
  box-shadow: 0 4px 14px -4px color-mix(in srgb, var(--accent) 70%, transparent);
}
.logo-text { font-size: 1.02rem; letter-spacing: -0.01em; }
.logo-muted { color: var(--text-dim); font-weight: 500; }
.site-header__actions { display: flex; align-items: center; gap: 0.6rem; }

.theme-toggle {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle__icon {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: inset -5px -3px 0 0 var(--surface);
  transition: all 0.3s var(--ease);
}
[data-theme="light"] .theme-toggle__icon {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

/* ============================================================
   Page shell
   ============================================================ */
.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1.1rem, 2.4vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* shared card surface */
.hero__panel,
.player,
.site-footer,
.now-card,
.uploader,
.control-card,
.queue-panel {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

/* ============================================================
   Hero
   ============================================================ */
.hero__panel {
  padding: clamp(1.25rem, 2.6vw, 2rem);
  display: grid;
  gap: 1.4rem;
}
.station-meta { display: grid; gap: 0.55rem; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--good) 60%, transparent);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--good) 55%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.hero__heading {
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  font-weight: 700;
}
.tagline { color: var(--text-mid); max-width: 60ch; font-size: 1.02rem; }

/* ============================================================
   Player panel + now playing
   ============================================================ */
.player-panel { display: grid; gap: 1.1rem; }

.now-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem 1.25rem;
  padding: 1.1rem;
  background: var(--surface-2);
}
.now-playing__art {
  width: 104px; height: 104px;
  border-radius: var(--radius-sm);
  background: var(--bg-2) center / cover no-repeat;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.now-card__meta { display: grid; gap: 0.3rem; align-content: center; min-width: 0; }
.now-playing__label {
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim);
}
.now-playing__title {
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.now-playing__artist { color: var(--text-mid); }
.now-card__upnext { color: var(--text-dim); font-size: 0.85rem; }
.now-card__actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.35rem; }

.chip-btn {
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: var(--surface);
  color: var(--text-mid);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.chip-btn:hover { border-color: var(--accent); color: var(--text); }
.chip-btn.is-active { background: var(--accent-soft); border-color: var(--accent); color: var(--text); }
.share-feedback {
  font-size: 0.8rem; color: var(--good);
  opacity: 0; transition: opacity 0.2s var(--ease);
}
.share-feedback.is-visible { opacity: 1; }

.now-card__deck { grid-column: 1 / -1; display: grid; gap: 0.75rem; }

/* visualizer */
.visualizer-stack { display: grid; gap: 0.55rem; }
.visualizer__toolbar { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.visualizer-mode-btn {
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border-2);
  background: var(--surface);
  color: var(--text-mid);
  font-weight: 600; font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.visualizer-mode-btn:hover { border-color: var(--accent); color: var(--text); }
.visualizer-mode-btn.is-active { background: var(--grad); color: var(--accent-ink); border-color: transparent; }

.player__visualizer {
  position: relative;
  min-height: 200px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    radial-gradient(120% 100% at 50% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    var(--bg-2);
}
.visualizer__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.visualizer__hint {
  position: absolute; left: 0.85rem; bottom: 0.7rem; right: 0.85rem;
  font-size: 0.76rem; color: var(--text-dim);
  pointer-events: none;
}
.visualizer__toggle {
  position: absolute; top: 0.6rem; right: 0.6rem;
  padding: 0.32rem 0.62rem;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  color: var(--text-mid);
  font-size: 0.74rem; font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(6px);
}
.visualizer__toggle:hover { color: var(--text); border-color: var(--accent); }
body.visualizer-hidden .visualizer__canvas { display: none; }
body.visualizer-hidden .player__visualizer { min-height: 64px; }

.now-card__chips { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.bpm-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.34rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: var(--surface);
  font-size: 0.78rem;
}
.bpm-chip__label { color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.66rem; }
.bpm-chip__value { font-family: var(--mono); font-weight: 600; }
.bpm-chip.is-locked { border-color: var(--accent); color: var(--text); }
.bpm-chip--sync { background: var(--accent-soft); border-color: var(--accent); }

/* ============================================================
   Progress + transport
   ============================================================ */
.now-card__timing { padding: 0 0.2rem; }
.progress { display: flex; align-items: center; gap: 0.75rem; }
.progress__time { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); min-width: 3ch; }
.progress__bar {
  position: relative;
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
}
.progress__fill {
  position: absolute; inset: 0 auto 0 0;
  width: 0%;
  border-radius: 999px;
  background: var(--grad);
}
.progress__handle {
  position: absolute; top: 50%; left: 0%;
  width: 15px; height: 15px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--text);
  box-shadow: var(--shadow-sm);
}
.progress__handle.is-hidden { opacity: 0; }

.controls { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; }
.controls--core { justify-content: center; }
.controls__spacer { flex: 1; }

.icon-btn {
  display: inline-grid; place-items: center;
  min-width: 44px; height: 44px;
  padding: 0 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1.05rem;
  cursor: pointer;
  transition: transform 0.15s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.icon-btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.icon-btn:active { transform: translateY(0); }
.icon-btn--lg {
  min-width: 58px; height: 58px;
  font-size: 1.3rem;
  background: var(--grad);
  color: var(--accent-ink);
  border-color: transparent;
  box-shadow: 0 10px 26px -10px color-mix(in srgb, var(--accent) 70%, transparent);
}
.icon-btn--text { font-size: 0.85rem; font-weight: 600; }
.icon-btn--round { border-radius: 50%; }
.icon-btn--active { background: var(--accent-soft); border-color: var(--accent); }

.controls__volume { display: flex; align-items: center; gap: 0.4rem; min-width: 120px; }

/* range inputs */
.volume-slider,
.slider-field__input {
  -webkit-appearance: none; appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
}
.volume-slider::-webkit-slider-thumb,
.slider-field__input::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--surface);
  box-shadow: var(--shadow-sm);
}
.volume-slider::-moz-range-thumb,
.slider-field__input::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--surface);
}

/* experience switch */
.experience { display: flex; align-items: center; gap: 0.7rem; justify-content: center; flex-wrap: wrap; }
.experience__label { font-size: 0.8rem; color: var(--text-dim); }
.experience__switch {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.experience__btn {
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--text-mid);
  font-size: 0.82rem; font-weight: 600;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.experience__btn.is-active { background: var(--grad); color: var(--accent-ink); }

/* sleep timer */
.sleep-timer { display: flex; align-items: end; gap: 0.7rem; flex-wrap: wrap; }
.sleep-timer__field { display: grid; gap: 0.3rem; }
.sleep-timer__label,
.slider-field__label,
.filter-panel__label,
.control-card__eyebrow {
  font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim);
}
.sleep-timer__status { font-size: 0.8rem; color: var(--text-mid); }

.filter-panel__select {
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.88rem;
}
.filter-panel__select:focus { border-color: var(--accent); outline: none; box-shadow: var(--ring); }

/* advanced panel */
.advanced { border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2); overflow: hidden; }
.advanced__summary,
.shortcuts-help__summary {
  list-style: none;
  cursor: pointer;
  padding: 0.8rem 1rem;
  font-weight: 600;
  color: var(--text-mid);
}
.advanced__summary::-webkit-details-marker,
.shortcuts-help__summary::-webkit-details-marker { display: none; }
.advanced__summary::after { content: "＋"; float: right; color: var(--text-dim); }
.advanced[open] .advanced__summary::after { content: "−"; }
.advanced__content { display: grid; gap: 1rem; padding: 0 1rem 1rem; }

.control-card { padding: 1rem; background: var(--surface); }
.control-card__header { display: flex; align-items: start; justify-content: space-between; gap: 1rem; margin-bottom: 0.85rem; flex-wrap: wrap; }
.control-card__title { font-size: 1rem; }
.control-card__header-actions { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.control-card__hint { font-size: 0.8rem; color: var(--text-dim); }
.control-card__grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.slider-field { display: grid; gap: 0.4rem; }
.slider-field__value { font-family: var(--mono); font-size: 0.8rem; color: var(--text-mid); }

/* shortcuts */
.shortcuts-help { border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2); overflow: hidden; }
.hero__shortcuts { padding: 0 1rem 1rem; color: var(--text-mid); font-size: 0.85rem; line-height: 2; }
kbd {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  border: 1px solid var(--border-2);
  background: var(--surface);
  color: var(--text);
}

/* ============================================================
   Player + Uploader
   ============================================================ */
.player {
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  display: grid;
  gap: 1.1rem;
}
.player__list { display: grid; gap: 1.1rem; }

.uploader {
  padding: 1.2rem;
  background: var(--surface-2);
  display: grid;
  gap: 1rem;
}
.uploader__intro { display: grid; gap: 0.3rem; }
.uploader__title { font-size: 1.15rem; }
.uploader__hint { color: var(--text-mid); font-size: 0.9rem; max-width: 60ch; }
.uploader__drop {
  position: relative;
  display: grid;
  gap: 0.7rem;
  justify-items: center;
  text-align: center;
  padding: 1.6rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1.5px dashed var(--border-2);
  background: var(--surface);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.uploader__drop.is-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.uploader__input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.uploader__btn { cursor: pointer; }
.uploader__drag { color: var(--text-dim); font-size: 0.85rem; }
.uploader__status { color: var(--text-mid); font-size: 0.82rem; min-height: 1.1em; }
.uploader__clear { justify-self: start; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border-2)); }
.uploader__clear:hover { border-color: var(--danger); color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); }

/* ============================================================
   Playlist
   ============================================================ */
.playlist__header { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.playlist__header h3 { font-size: 1.2rem; }
.playlist__hint { color: var(--text-dim); font-size: 0.82rem; flex: 1; }
.playlist__pager { display: inline-flex; align-items: center; gap: 0.5rem; }
.playlist__pager-btn { min-width: 36px; height: 36px; font-size: 0.85rem; }
.playlist__pager-label { font-size: 0.8rem; color: var(--text-dim); font-family: var(--mono); }

.filter-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.7rem;
  align-items: end;
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.filter-panel__field { display: grid; gap: 0.3rem; }
.filter-panel__field--wide { grid-column: span 2; }
.filter-panel__reset { align-self: end; }
.filter-panel__toggle {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.85rem; color: var(--text-mid); cursor: pointer; align-self: center;
}
.filter-panel__toggle input { accent-color: var(--accent); width: 16px; height: 16px; }

/* queue / history panels */
.queue-panel { padding: 1rem; background: var(--surface-2); display: grid; gap: 0.7rem; }
.queue-panel__header { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.queue-panel__title { font-size: 0.95rem; }
.queue-panel__list { list-style: none; display: grid; gap: 0.4rem; }
.queue-panel__item {
  display: flex; align-items: center; justify-content: space-between; gap: 0.6rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.85rem;
}
.queue-panel__track { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.queue-panel__remove,
.queue-panel__history-btn {
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--text-mid);
  border-radius: 8px;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  font-size: 0.78rem;
}
.queue-panel__remove:hover { border-color: var(--danger); color: var(--danger); }
.queue-panel__history-btn:hover { border-color: var(--accent); color: var(--text); }

/* playlist list */
.playlist {
  list-style: none;
  display: grid;
  gap: 0.45rem;
  max-height: 60vh;
  overflow-y: auto;
  padding-right: 0.2rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.playlist::-webkit-scrollbar { width: 10px; }
.playlist::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 999px; }
.playlist--scrolled { box-shadow: inset 0 8px 8px -8px rgba(0,0,0,0.4); }

.playlist__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}
.playlist__info { flex: 1; }
.playlist__actions { margin-left: auto; }
.playlist__item:hover { border-color: var(--border-2); background: var(--surface-2); transform: translateX(2px); }
.playlist__item.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.playlist__item.is-loading { opacity: 0.7; }
.playlist__item.is-drop-before { box-shadow: inset 0 2px 0 0 var(--accent); }
.playlist__item.is-drop-after { box-shadow: inset 0 -2px 0 0 var(--accent); }

.playlist__index { font-family: var(--mono); font-size: 0.78rem; color: var(--text-dim); }
.playlist__art {
  width: 38px; height: 38px;
  border-radius: 9px;
  background: var(--bg-2) center / cover no-repeat;
  border: 1px solid var(--border);
}
.playlist__info { min-width: 0; display: grid; gap: 0.1rem; }
.playlist__title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.playlist__artist { color: var(--text-dim); font-size: 0.82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.playlist__meta { display: flex; gap: 0.4rem; align-items: center; }
.playlist__meta-item { font-size: 0.72rem; color: var(--text-dim); }
.pill {
  font-size: 0.64rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.12rem 0.45rem; border-radius: 999px;
}
.pill--new { background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent); }
.playlist__duration { font-family: var(--mono); font-size: 0.8rem; color: var(--text-mid); }
.playlist__actions { display: flex; gap: 0.35rem; }
.playlist__action-btn {
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.playlist__action-btn:hover { color: var(--text); border-color: var(--accent); background: var(--surface-2); }
.playlist__action-btn.is-active { color: var(--accent); border-color: var(--accent); }
.playlist__drag-handle {
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: grab;
  width: 26px; height: 30px;
  display: grid; place-items: center;
  font-size: 0.9rem;
  line-height: 1;
}
.playlist__drag-handle:hover { color: var(--text-mid); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { margin-top: 0.5rem; }
.site-footer__inner {
  padding: 1.4rem clamp(1.1rem, 2.4vw, 2rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.site-footer__inner .mono { color: var(--text-dim); font-size: 0.78rem; }
.footer-top { color: var(--text-mid); font-size: 0.85rem; }
.footer-top:hover { color: var(--accent); }

/* boot fade-in */
body.ui-booting .page { opacity: 0; }
body.ui-ready .page { opacity: 1; transition: opacity 0.4s var(--ease); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .now-card { grid-template-columns: 1fr; }
  .now-playing__art { width: 84px; height: 84px; }
  .filter-panel__field--wide { grid-column: span 1; }
  .playlist__item { grid-template-columns: 2ch 1fr auto; }
  .playlist__art, .playlist__meta, .playlist__actions { display: none; }
  .controls__spacer { display: none; }
}