:root {
  --bg: #14111c;
  --panel: #1f1a2b;
  --panel-2: #2a2339;
  --line: #3a3150;
  --text: #f3eff9;
  --muted: #a99fbd;
  --accent: #ff4f8b;
  --accent-2: #ffb02e;
  --ok: #3fd18b;
  --warn: #ffb02e;
  --danger: #ff5a5a;
  --guitar: #ff6b4a;
  --bass: #4aa3ff;
  --drums: #b46bff;
  --keys: #3fd1c4;
  --vocals: #ffd23f;
  --radius: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  padding-bottom: calc(68px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
}
button, input, select { font: inherit; color: inherit; }
button {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 14px; cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; }
input, select {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  width: 100%; min-width: 0;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.top {
  position: sticky; top: 0; z-index: 5; background: rgba(20, 17, 28, .94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); padding: 10px 16px; min-height: 48px; display: flex; align-items: center;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: .02em; }
.now { display: flex; align-items: center; gap: 12px; width: 100%; }
.now small { display: block; color: var(--accent-2); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.now strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.now > div { min-width: 0; }
.now + .brand { display: none; }
.now[hidden] + .brand { display: flex; }
.eq { display: flex; gap: 3px; align-items: flex-end; height: 18px; }
.eq i { width: 4px; background: var(--accent-2); border-radius: 2px; animation: eq 1s infinite ease-in-out; }
.eq i:nth-child(2) { animation-delay: -.3s; } .eq i:nth-child(3) { animation-delay: -.6s; }
@keyframes eq { 0%, 100% { height: 5px; } 50% { height: 18px; } }

main { max-width: 760px; margin: 0 auto; }
.toolbar { padding: 12px 16px 4px; display: grid; gap: 10px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.toolbar select { width: auto; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 6px 10px; border-radius: 999px; font-size: 14px; background: var(--panel); }
.chip.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.count, .hint, .muted { color: var(--muted); font-size: 14px; margin: 0; }

.list { list-style: none; margin: 0; padding: 0 16px; }
.list li {
  display: flex; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line);
}
.list li .main { flex: 1; min-width: 0; }
.list li.tap { cursor: pointer; }
.list.dim li { opacity: .7; }
.title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.meta { color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--panel-2); color: var(--muted); white-space: nowrap; }
.tag.ok { color: var(--ok); } .tag.warn { color: var(--warn); } .tag.bad { color: var(--danger); }
.tag.live { background: var(--accent); color: #fff; }

.parts { display: flex; gap: 4px; margin-top: 6px; flex-wrap: wrap; }
.part { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--muted); }
.part b { width: 18px; height: 18px; border-radius: 5px; display: grid; place-items: center; font-size: 11px; color: #111; }
.part .dots { letter-spacing: -1px; font-size: 10px; }
.p-guitar b { background: var(--guitar); } .p-bass b { background: var(--bass); } .p-drums b { background: var(--drums); }
.p-keys b { background: var(--keys); } .p-vocals b { background: var(--vocals); }
.parts.big .part { font-size: 14px; padding: 4px 8px 4px 4px; background: var(--panel-2); border-radius: 8px; }
.parts.big .part b { width: 24px; height: 24px; font-size: 13px; }

.q { display: block !important; }
.q.playing { background: linear-gradient(90deg, rgba(255, 79, 139, .16), transparent); margin: 0 -16px; padding: 12px 16px !important; }
.q .head { display: flex; gap: 10px; align-items: flex-start; }
.q .num { color: var(--muted); font-weight: 700; width: 22px; padding-top: 1px; }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; margin: 10px 0 0 32px; }
.slot {
  display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 10px; background: var(--panel);
  border: 1px solid var(--line); font-size: 14px; min-width: 0; text-align: left;
}
.slot span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.slot.open { border-style: dashed; color: var(--muted); }
.slot b { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font-size: 12px; color: #111; flex: none; }
.actions { display: flex; gap: 6px; margin: 10px 0 0 32px; flex-wrap: wrap; }
.actions button { padding: 6px 10px; font-size: 14px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 16px; display: grid; gap: 12px; }
.card h3 { margin: 0; }
.card.warn { border-color: var(--warn); }
.card p { margin: 0; color: var(--muted); }
.settings label { display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
.settings .switch { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 16px; }
.settings .switch input { width: 22px; height: 22px; }
.sub { margin: 20px 16px 4px; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.empty { color: var(--muted); padding: 24px 16px; text-align: center; margin: 0; }
.more { display: block; margin: 16px auto; }

.tabs {
  position: fixed; inset: auto 0 0 0; z-index: 6; display: flex; background: rgba(31, 26, 43, .97);
  border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); backdrop-filter: blur(8px);
}
.tabs button {
  flex: 1; border: 0; background: none; border-radius: 0; padding: 8px 4px 10px; color: var(--muted);
  display: grid; justify-items: center; gap: 2px; font-size: 12px; position: relative;
}
.tabs button.on { color: var(--accent); }
.tabs svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.badge {
  position: absolute; top: 4px; left: calc(50% + 6px); background: var(--accent); color: #fff; font-size: 11px;
  border-radius: 999px; min-width: 18px; padding: 1px 5px; font-weight: 700;
}

dialog { border: 0; padding: 0; background: transparent; color: var(--text); max-width: 520px; width: calc(100% - 24px); }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
.sheet { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 20px; display: grid; gap: 12px; }
.sheet h2 { margin: 0; font-size: 20px; }
.sheet p { margin: 0; }
.field { display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
.pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; }
.pick button { display: flex; align-items: center; gap: 8px; padding: 10px; }
.pick button b { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font-size: 12px; color: #111; }
.pick button.on { border-color: var(--accent); background: rgba(255, 79, 139, .15); }
.pick button:disabled { text-decoration: line-through; }
.error { color: var(--danger); min-height: 1em; font-size: 14px; }

.toast {
  position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 999px; z-index: 10;
  font-weight: 600; max-width: calc(100% - 32px); text-align: center;
}

/* room code */
.code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; letter-spacing: .3em; text-transform: uppercase; }
input.code { font-size: 22px; text-align: center; }
.code.big { font-size: 36px; font-weight: 700; color: var(--accent); }
.row.between { justify-content: space-between; align-items: center; }

/* install-to-home-screen */
.install { margin-left: auto; flex: none; padding: 6px 12px; font-size: 14px; border-color: var(--accent); color: var(--accent); }
.steps { padding-left: 1.3em; line-height: 1.6; }
.steps li { margin-bottom: 6px; }
.share { width: 18px; height: 18px; vertical-align: -3px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }