:root {
  --bg: #111418;
  --bg2: #1a1f25;
  --bg3: #252b33;
  --fg: #eef1f4;
  --muted: #8b95a1;
  --accent: #3fa7ff;
  --danger: #ff5a5f;
  --line: #2a313a;
  --tab-h: 58px;
  --mini-h: 60px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9; --bg2: #ffffff; --bg3: #e9ecf0; --fg: #15191e;
    --muted: #66707c; --line: #dde1e6; color-scheme: light;
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  padding-bottom: calc(var(--tab-h) + env(safe-area-inset-bottom));
  overscroll-behavior-y: none;
}
body.has-mini { padding-bottom: calc(var(--tab-h) + var(--mini-h) + env(safe-area-inset-bottom)); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select { font: inherit; color: var(--fg); background: var(--bg3); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px; width: 100%; }
label { display: block; margin: 10px 0; font-size: 13px; color: var(--muted); }
label input, label select { margin-top: 4px; }
code { font-size: 12px; background: var(--bg3); padding: 1px 5px; border-radius: 4px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; justify-content: center; }
.ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.top {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 8px;
  padding: calc(env(safe-area-inset-top) + 10px) 16px 10px; background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.top h1 { font-size: 20px; margin: 0; flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status { font-size: 12px; color: var(--muted); }
main { padding: 0 16px; }
.view { padding: 12px 0 24px; }

.toolbar { margin-bottom: 10px; }
.row-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.chip {
  background: var(--bg3); border-radius: 999px; padding: 7px 14px; font-size: 13px; white-space: nowrap;
}
.chip.primary { background: var(--accent); color: #fff; }
.chip.danger { color: var(--danger); }
.chip[aria-pressed="true"] { background: var(--accent); color: #fff; }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: flex; align-items: center; gap: 10px; padding: 10px 2px;
  border-bottom: 1px solid var(--line); min-height: 54px;
}
.list li .main { flex: 1; min-width: 0; cursor: pointer; }
.list li .t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list li .s { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list li.playing .t { color: var(--accent); font-weight: 600; }
.list li .badge { font-size: 11px; color: var(--accent); }
.list li .more { padding: 6px 10px; color: var(--muted); font-size: 18px; }
.list li.more-row { justify-content: center; color: var(--muted); border: 0; }
.list .num { width: 22px; text-align: right; color: var(--muted); font-size: 12px; }

.card { background: var(--bg2); border-radius: 14px; padding: 14px 16px; margin-bottom: 14px; border: 1px solid var(--line); }
.card h2 { font-size: 16px; margin: 0 0 6px; }
.card details { margin-top: 10px; }
.switch { display: flex; align-items: center; gap: 10px; color: var(--fg); font-size: 15px; }
.switch input { width: auto; }

/* 再生中 */
.now { display: flex; flex-direction: column; align-items: stretch; gap: 14px; max-width: 520px; margin: 0 auto; }
.art-wrap { position: relative; width: min(100%, 46vh); aspect-ratio: 1; margin: 0 auto; }
.art { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; background: var(--bg3); }
.art.ph { display: flex; align-items: center; justify-content: center; font-size: 90px; color: var(--muted); }
.lyrics {
  position: absolute; inset: 0; overflow-y: auto; border-radius: 16px; padding: 40% 18px;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  text-align: center; scroll-behavior: smooth;
}
.lyrics p { margin: 0 0 14px; font-size: 17px; color: var(--muted); transition: color .2s, transform .2s; cursor: pointer; }
.lyrics p.on { color: var(--fg); font-weight: 700; transform: scale(1.04); }
.lyrics.plain p { color: var(--fg); cursor: default; }
.lyrics .src { font-size: 11px; color: var(--muted); margin-top: 24px; }
.now-meta { text-align: center; }
.now-title { font-size: 20px; font-weight: 700; }
.seek input { padding: 0; border: 0; background: transparent; accent-color: var(--accent); }
.times { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.controls { display: flex; align-items: center; justify-content: space-between; padding: 0 6px; }
.icon-btn { font-size: 20px; padding: 8px; border-radius: 50%; line-height: 1; }
.icon-btn.big { font-size: 28px; }
.icon-btn.play { font-size: 30px; width: 68px; height: 68px; background: var(--fg); color: var(--bg); }
.icon-btn.toggle { opacity: .45; }
.icon-btn.toggle.on { opacity: 1; color: var(--accent); }
.icon-btn .one { font-size: 10px; vertical-align: super; }
#btnBack { font-size: 30px; padding: 0 8px 4px 0; }

/* ミニプレイヤー */
.mini {
  position: fixed; left: 8px; right: 8px; z-index: 6; height: var(--mini-h);
  bottom: calc(var(--tab-h) + env(safe-area-inset-bottom) + 4px);
  background: var(--bg3); border-radius: 12px; display: flex; align-items: center; gap: 10px; padding: 0 8px 0 10px; overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,.3);
}
.mini-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; }
.mini-progress div { height: 100%; width: 0; background: var(--accent); }
.mini-art { width: 42px; height: 42px; border-radius: 6px; object-fit: cover; }
.mini-text { flex: 1; min-width: 0; cursor: pointer; }

.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 7; display: flex;
  height: calc(var(--tab-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
  background: var(--bg2); border-top: 1px solid var(--line);
}
.tabs button { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 11px; color: var(--muted); }
.tabs button span { font-size: 20px; line-height: 1.2; }
.tabs button.active { color: var(--accent); }

/* シート */
.sheet { position: fixed; inset: 0; z-index: 20; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.45); }
.sheet-body {
  position: absolute; left: 0; right: 0; bottom: 0; max-height: 85vh; overflow-y: auto;
  background: var(--bg2); border-radius: 16px 16px 0 0; padding: 12px 16px calc(16px + env(safe-area-inset-bottom));
}
.sheet-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.menu button { display: block; width: 100%; text-align: left; padding: 13px 4px; border-bottom: 1px solid var(--line); }
.menu button.danger { color: var(--danger); }

/* イコライザー */
.eq-bands { display: flex; justify-content: space-between; gap: 4px; height: 190px; margin: 12px 0 4px; }
.eq-band { display: flex; flex-direction: column; align-items: center; flex: 1; min-width: 0; }
.eq-band input {
  writing-mode: vertical-lr; direction: rtl; width: 28px; flex: 1; padding: 0; border: 0; background: transparent; accent-color: var(--accent);
}
.eq-band .f, .eq-band .v { font-size: 10px; color: var(--muted); }
.eq-presets { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.eq-presets .chip.on { background: var(--accent); color: #fff; }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%); z-index: 30; max-width: 90vw;
  bottom: calc(var(--tab-h) + var(--mini-h) + env(safe-area-inset-bottom) + 16px);
  background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 13px;
}