:root {
  --bg: #0b0d10;
  --panel: #151a21;
  --fg: #e8eef6;
  --muted: #8a97a8;
  --accent: #3aa0ff;
  --ok: #3dd68c;
  --warn: #f5a524;
  --danger: #f31260;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--fg);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
.muted { color: var(--muted); font-weight: 400; }

.topbar { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; padding: 10px 24px 4px; max-width: 1880px; margin: 0 auto; }
.topbar h1 { margin: 0; font-size: 1.2rem; }
.tagline { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* ---------- YouTube-style watch layout ---------- */
.watch {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(340px, 26vw, 480px);
  gap: 20px;
  max-width: 1880px; margin: 0 auto; padding: 8px 24px;
  align-items: start;
}
.primary { min-width: 0; }

.stage {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  background: #000 center / contain no-repeat;
  border-radius: 12px; overflow: hidden; cursor: pointer;
  touch-action: manipulation; user-select: none;
}
.stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.stage.idle img { visibility: hidden; }
.overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.25); pointer-events: none; transition: opacity .15s;
}
.stage.playing:not(.paused) .overlay { opacity: 0; }
.overlay-btn {
  width: 128px; height: 128px; border-radius: 50%;
  background: rgba(0,0,0,0.6); border: 3px solid rgba(255,255,255,0.85);
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; color: #fff; padding-left: 8px;
}
.stage.paused .overlay-btn { padding-left: 0; font-size: 48px; }
.stage-status {
  position: absolute; left: 16px; bottom: 14px; padding: 6px 12px; border-radius: 8px;
  background: rgba(0,0,0,0.65); color: #fff; font-size: 0.95rem; pointer-events: none;
}

.np { padding: 12px 2px 0; }
.np h2 { margin: 0; font-size: 1.45rem; line-height: 1.25; }
.np-artist { color: var(--muted); font-size: 1.05rem; margin-top: 2px; }
.np-artist .pos { margin-left: 8px; font-variant-numeric: tabular-nums; }
.controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 12px 0; }

button {
  background: var(--accent); color: #041018; border: 0;
  border-radius: 10px; min-height: 56px; padding: 12px 22px;
  font: 600 1.05rem/1 inherit; cursor: pointer; touch-action: manipulation;
}
button:disabled { opacity: 0.4; cursor: not-allowed; }
button:active:not(:disabled) { transform: scale(0.98); }
.play-all { background: var(--ok); color: #041810; }
#btnStop { background: #334155; color: var(--fg); }
.loop-label { color: var(--fg); font-size: 1rem; display: flex; align-items: center; gap: 10px; min-height: 56px; padding: 0 6px; user-select: none; }
.loop-label input { width: 26px; height: 26px; }
.status { color: var(--muted); font-size: 0.95rem; }

.attribution {
  background: #132033; border-left: 3px solid var(--accent);
  border-radius: 6px; padding: 10px 14px; font-size: 0.92rem;
}
.attribution a { color: var(--accent); }

/* ---------- Playlist ---------- */
.sidebar {
  background: var(--panel); border-radius: 12px; padding: 12px;
  max-height: calc(100vh - 80px); overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.sidebar-h { margin: 2px 6px 10px; font-size: 1.1rem; }
.clip-list { display: flex; flex-direction: column; gap: 8px; }
.clip {
  display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 12px; align-items: center;
  width: 100%; min-height: 104px; padding: 6px; text-align: left;
  background: transparent; color: var(--fg); border: 2px solid transparent; border-radius: 10px;
  font: inherit;
}
.clip:active { background: #1d2530; transform: none; }
.clip.selected { background: #132033; border-color: #2b4c74; }
.clip.playing { background: #132a22; border-color: var(--ok); }
.thumb { position: relative; width: 168px; aspect-ratio: 16 / 9; border-radius: 8px; overflow: hidden; background: #000; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb .dur {
  position: absolute; right: 4px; bottom: 4px; padding: 1px 6px; border-radius: 4px;
  background: rgba(0,0,0,0.8); color: #fff; font-size: 0.8rem; font-variant-numeric: tabular-nums;
}
.thumb .now { position: absolute; left: 4px; top: 4px; padding: 1px 6px; border-radius: 4px; background: var(--ok); color: #041810; font-size: 0.75rem; font-weight: 700; display: none; }
.clip.playing .thumb .now { display: block; }
.clip .title { font-weight: 600; font-size: 1.02rem; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.clip .artist { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }
.clip .meta { color: var(--muted); font-size: 0.8rem; margin-top: 2px; }

/* Narrow / portrait: stack playlist under the player */
@media (max-width: 1000px), (orientation: portrait) {
  .watch { grid-template-columns: 1fr; padding: 6px 10px; gap: 12px; }
  .topbar { padding: 8px 10px 2px; }
  .sidebar { max-height: none; }
  .stage { border-radius: 8px; }
  .overlay-btn { width: 84px; height: 84px; font-size: 38px; }
  .clip { grid-template-columns: 140px minmax(0, 1fr); min-height: 88px; }
  .thumb { width: 140px; }
  .np h2 { font-size: 1.2rem; }
}

/* ---------- Debug panel ---------- */
.debug { max-width: 1880px; margin: 16px auto 0; padding: 0 24px; }
.debug > summary {
  list-style: none; cursor: pointer; user-select: none;
  background: var(--panel); border-radius: 10px; padding: 16px 18px; min-height: 56px;
  font-weight: 600; color: var(--muted);
}
.debug > summary::before { content: "▸ "; }
.debug[open] > summary::before { content: "▾ "; }
.debug > summary::-webkit-details-marker { display: none; }
.debug section { padding: 12px 16px; margin: 10px 0; border-radius: 10px; }
.debug-controls { display: flex; gap: 12px; flex-wrap: wrap; padding: 0 !important; }
.force-pack { background: var(--warn); color: #1a1200; font-weight: 700; }
.hud {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px; background: var(--panel); font-variant-numeric: tabular-nums;
}
.hud .k { color: var(--muted); margin-right: 6px; }
.hud span:not(.k) { font-weight: 600; }
.caps { background: var(--panel); border: 1px solid #243041; }
.caps h3 { margin: 0 0 8px; font-size: 1rem; }
.caps-hint { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.caps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 6px 12px; font-variant-numeric: tabular-nums; font-size: 0.9rem; }
.caps-grid .cap-ok { color: var(--ok); font-weight: 600; }
.caps-grid .cap-no { color: var(--danger); font-weight: 600; }
.caps-grid .cap-k { color: var(--muted); margin-right: 6px; }
.session-line { margin-top: 10px; color: var(--muted); font-size: 0.9rem; }
.session-line code { color: var(--accent); user-select: all; }
.load-status {
  background: #1a1008; border: 1px solid #5a3a10;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9rem; color: var(--warn);
}
.load-status .k { color: var(--muted); margin-right: 10px; font-weight: 600; }
.picker { background: var(--panel); }
.url-label { display: block; color: var(--muted); font-size: 0.9rem; }
.url-label input {
  display: block; width: 100%; margin-top: 6px; background: #0f141b; color: var(--fg);
  border: 1px solid #243041; border-radius: 6px; padding: 12px; font: inherit;
}
.hint { color: var(--muted); font-size: 0.85rem; margin: 8px 0 0; }
footer { color: var(--muted); font-size: 0.8rem; max-width: 1880px; margin: 0 auto; padding: 12px 24px 28px; }