:root {
  --bg: #09080f;
  --surface: rgba(255, 255, 255, .045);
  --surface-2: rgba(255, 255, 255, .08);
  --border: rgba(255, 255, 255, .09);
  --border-2: rgba(255, 255, 255, .16);
  --text: #f5f3ff;
  --muted: #a39fbd;
  --faint: #6d6888;
  --A: #38bdf8; --A-soft: rgba(56, 189, 248, .14);
  --B: #f472b6; --B-soft: rgba(244, 114, 182, .14);
  --AB: #a78bfa; --AB-soft: rgba(167, 139, 250, .16);
  --grad: linear-gradient(120deg, #ff4d8d 0%, #a855f7 55%, #6366f1 100%);
  --ok: #34d399; --warn: #fbbf24; --rec: #ff3b5c;
  --r-lg: 24px; --r: 16px; --r-sm: 12px;
  --display: "Unbounded", "Manrope", system-ui, sans-serif;
  --body: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .7);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { background: var(--bg); }
body { margin: 0; color: var(--text); font: 500 16px/1.5 var(--body); background: var(--bg); min-height: 100vh; overflow-x: hidden; }
a { color: inherit; }
::selection { background: #a855f766; }

/* ambient background */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora i { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .32; animation: drift 24s ease-in-out infinite alternate; }
.aurora i:nth-child(1) { width: 520px; height: 520px; background: #ff4d8d; top: -220px; right: -120px; }
.aurora i:nth-child(2) { width: 460px; height: 460px; background: #6d28d9; top: 30%; left: -240px; animation-delay: -8s; }
.aurora i:nth-child(3) { width: 380px; height: 380px; background: #0ea5e9; bottom: -200px; right: 10%; opacity: .18; animation-delay: -16s; }
@keyframes drift { to { transform: translate(60px, 40px) scale(1.15); } }
@media (prefers-reduced-motion: reduce) { .aurora i { animation: none; } }

/* layout */
.top { display: flex; align-items: center; justify-content: space-between; max-width: 1040px; margin: 0 auto; padding: 18px 20px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 800 21px/1 var(--display); letter-spacing: -.02em; }
.logo-mark { width: 34px; height: 34px; border-radius: 11px; background: var(--grad); position: relative; box-shadow: 0 6px 24px -6px #ff4d8d99; }
.logo-mark::before { content: ""; position: absolute; left: 12px; top: 6px; width: 10px; height: 15px; border-radius: 6px; background: #fff; }
.logo-mark::after { content: ""; position: absolute; left: 9px; top: 14px; width: 16px; height: 10px; border: 2.5px solid #fff; border-top: 0; border-radius: 0 0 10px 10px; }
main { max-width: 1040px; margin: 0 auto; padding: 4px 20px 100px; }
.back { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.back:hover { color: var(--text); }

h1, h2, h3 { font-family: var(--display); letter-spacing: -.02em; line-height: 1.12; margin: 0; }
h1 { font-size: clamp(28px, 5vw, 46px); font-weight: 800; }
h2 { font-size: 20px; font-weight: 700; margin: 36px 0 14px; }
h3 { font-size: 16px; font-weight: 700; }
.muted { color: var(--muted); } .faint { color: var(--faint); }
.small { font-size: 14px; } .tiny { font-size: 12px; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.stack > * + * { margin-top: 14px; }
.center { text-align: center; }
[hidden] { display: none !important; }

/* surfaces */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.panel + .panel { margin-top: 16px; }
.panel.tight { padding: 16px; }

/* buttons */
.btn, button { appearance: none; border: 0; font: 700 15px/1 var(--body); cursor: pointer; color: var(--text); text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 9px; border-radius: 999px; padding: 14px 22px; transition: transform .15s, box-shadow .2s, background .2s, opacity .2s; white-space: nowrap; }
.btn:active, button:active { transform: scale(.97); }
button:disabled { opacity: .4; cursor: default; transform: none; }
.primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px -10px #ff4d8daa; }
.primary:hover:not(:disabled) { box-shadow: 0 14px 40px -10px #ff4d8dcc; }
.secondary { background: var(--surface-2); border: 1px solid var(--border-2); }
.secondary:hover:not(:disabled) { background: rgba(255, 255, 255, .12); }
.ghost { background: transparent; color: var(--muted); padding: 10px 14px; }
.ghost:hover:not(:disabled) { color: var(--text); background: var(--surface); }
.danger { background: rgba(255, 59, 92, .12); color: #ff8fa3; border: 1px solid rgba(255, 59, 92, .25); }
.chip { background: var(--surface); border: 1px solid var(--border); padding: 9px 16px; font-size: 14px; color: var(--muted); }
.chip:hover { color: var(--text); border-color: var(--border-2); }
.lg { padding: 18px 30px; font-size: 17px; }
.sm { padding: 9px 15px; font-size: 13px; }
.icon-btn { width: 44px; height: 44px; padding: 0; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); }
svg.i { width: 18px; height: 18px; flex: none; }

/* forms */
input[type=text], input[type=password], input[type=search], textarea, select {
  width: 100%; background: rgba(0, 0, 0, .28); color: var(--text); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 13px 15px; font: 500 15px/1.4 var(--body); outline: none; transition: border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus, select:focus { border-color: #a855f7; box-shadow: 0 0 0 4px #a855f722; }
textarea { min-height: 180px; resize: vertical; }
label.f { display: block; font-size: 13px; font-weight: 700; color: var(--muted); margin: 0 0 7px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }

input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 26px; background: transparent; cursor: pointer; }
input[type=range]::-webkit-slider-runnable-track { height: 6px; border-radius: 6px; background: var(--surface-2); }
input[type=range]::-moz-range-track { height: 6px; border-radius: 6px; background: var(--surface-2); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: #fff; margin-top: -7px; box-shadow: 0 2px 10px rgba(0, 0, 0, .5); }
input[type=range]::-moz-range-thumb { width: 20px; height: 20px; border: 0; border-radius: 50%; background: #fff; }

/* hero */
.hero { padding: 26px 0 8px; }
.hero h1 { max-width: 760px; }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 560px; margin: 16px 0 0; }
.steps { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.step { display: flex; align-items: center; gap: 10px; padding: 10px 16px 10px 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: 14px; font-weight: 600; }
.step b { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); font-size: 13px; }

/* covers */
.cover { position: relative; aspect-ratio: 1; border-radius: var(--r); overflow: hidden; display: grid; place-items: center; isolation: isolate; }
.cover::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .35), transparent 50%), radial-gradient(circle at 80% 90%, rgba(0, 0, 0, .35), transparent 60%); z-index: -1; }
.cover span { font: 800 clamp(28px, 7vw, 54px)/1 var(--display); color: rgba(255, 255, 255, .92); text-shadow: 0 4px 20px rgba(0, 0, 0, .25); letter-spacing: -.04em; }
.cover .rings { position: absolute; inset: 0; background: repeating-radial-gradient(circle at 50% 50%, transparent 0 14px, rgba(255, 255, 255, .05) 14px 15px); z-index: -1; }

/* song grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 18px; }
@media (max-width: 520px) { .grid { grid-template-columns: 1fr 1fr; gap: 12px; } }
.song-card { text-decoration: none; display: block; padding: 12px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--border); transition: transform .2s, border-color .2s, background .2s; }
.song-card:hover { transform: translateY(-4px); border-color: var(--border-2); background: var(--surface-2); }
.song-card .meta { padding: 12px 4px 4px; }
.song-card .title { font-weight: 800; font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.song-card .artist { color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.song-card .count { margin-top: 8px; font-size: 12px; color: var(--faint); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.empty { text-align: center; padding: 60px 20px; color: var(--muted); border: 1.5px dashed var(--border-2); border-radius: var(--r-lg); }
.empty .big-emoji { font-size: 44px; display: block; margin-bottom: 10px; }

/* dropzone */
.drop { border: 2px dashed var(--border-2); border-radius: var(--r-lg); padding: 34px 20px; text-align: center; cursor: pointer; transition: border-color .2s, background .2s; display: block; }
.drop:hover, .drop.over { border-color: #a855f7; background: #a855f710; }
.drop .ico { width: 54px; height: 54px; border-radius: 16px; background: var(--grad); display: grid; place-items: center; margin: 0 auto 12px; }
.drop.has { border-style: solid; border-color: var(--ok); background: #34d39910; }
details.more summary { cursor: pointer; color: var(--muted); font-weight: 700; font-size: 14px; list-style: none; display: inline-flex; gap: 8px; align-items: center; }
details.more summary::-webkit-details-marker { display: none; }
details.more summary::before { content: "+"; width: 22px; height: 22px; border-radius: 50%; background: var(--surface-2); display: grid; place-items: center; }
details.more[open] summary::before { content: "−"; }

/* song page hero */
.song-hero { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: end; }
.song-hero .cover { box-shadow: var(--shadow); border-radius: var(--r-lg); }
.song-hero .info .tag { font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.song-hero h1 { margin: 8px 0 6px; }
.song-hero .artist { font-size: 19px; color: var(--muted); font-weight: 600; }
.facts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.fact { font-size: 13px; font-weight: 700; padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); }
.fact.ok { color: var(--ok); border-color: #34d39944; }
.fact.warn { color: var(--warn); border-color: #fbbf2444; }
@media (max-width: 640px) { .song-hero { grid-template-columns: 120px 1fr; gap: 18px; align-items: center; } .song-hero .artist { font-size: 16px; } }

/* part choice */
.part-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .part-choice { grid-template-columns: 1fr; } }
.part-card { position: relative; border-radius: var(--r-lg); padding: 22px; border: 1px solid var(--border); background: var(--surface); overflow: hidden; display: flex; flex-direction: column; gap: 14px; }
.part-card::before { content: ""; position: absolute; inset: 0; opacity: .9; z-index: -1; }
.part-card.A { border-color: #38bdf844; } .part-card.A::before { background: radial-gradient(circle at 100% 0%, var(--A-soft), transparent 70%); }
.part-card.B { border-color: #f472b644; } .part-card.B::before { background: radial-gradient(circle at 100% 0%, var(--B-soft), transparent 70%); }
.part-card .label { font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.part-card.A .label { color: var(--A); } .part-card.B .label { color: var(--B); }
.part-card .name { font: 700 22px/1.2 var(--display); }
.part-card .preview { font-size: 14px; color: var(--muted); border-left: 2px solid var(--border-2); padding-left: 12px; min-height: 42px; }
.part-card .btn { align-self: flex-start; }
.part-card.A .btn.go { background: var(--A); color: #04202e; box-shadow: 0 10px 30px -12px var(--A); }
.part-card.B .btn.go { background: var(--B); color: #3a0820; box-shadow: 0 10px 30px -12px var(--B); }

/* avatars & duets list */
.av { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font: 800 16px/1 var(--display); color: #0b0a12; flex: none; border: 3px solid var(--bg); }
.av.A { background: var(--A); } .av.B { background: var(--B); }
.av.empty { background: var(--surface-2); color: var(--faint); border-style: dashed; border-color: var(--border-2); }
.av.lg { width: 96px; height: 96px; font-size: 34px; border-width: 4px; }
.av-pair { display: flex; } .av-pair .av + .av { margin-left: -12px; }
.duet-list { display: grid; gap: 10px; }
.duet-item { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--border); text-decoration: none; transition: border-color .2s, background .2s; }
.duet-item:hover { border-color: var(--border-2); background: var(--surface-2); }
.duet-item .who { font-weight: 700; }
.badge { font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; }
.badge.done { background: #34d39922; color: var(--ok); }
.badge.wait { background: #fbbf2422; color: var(--warn); }

/* duet page */
.duet-hero { text-align: center; padding: 10px 0 6px; }
.duet-hero .song-line { color: var(--muted); font-weight: 600; margin-top: 10px; }
.vs { display: flex; align-items: center; justify-content: center; gap: 22px; margin: 28px 0 8px; }
.vs .side { display: flex; flex-direction: column; align-items: center; gap: 10px; width: 150px; }
.vs .side .nm { font-weight: 800; font-size: 17px; max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vs .side .pt { font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.vs .side.A .pt { color: var(--A); } .vs .side.B .pt { color: var(--B); }
.vs .x { font: 800 26px var(--display); color: var(--faint); }
.vs .av.lg.A { box-shadow: 0 0 0 4px var(--bg), 0 0 40px -6px var(--A); }
.vs .av.lg.B { box-shadow: 0 0 0 4px var(--bg), 0 0 40px -6px var(--B); }
@media (max-width: 480px) { .vs { gap: 10px; } .vs .side { width: 120px; } .av.lg { width: 76px; height: 76px; font-size: 26px; } }
.invite { display: grid; gap: 14px; }
.copy-box { display: flex; gap: 8px; background: rgba(0, 0, 0, .3); border: 1px solid var(--border); border-radius: 999px; padding: 6px 6px 6px 18px; align-items: center; }
.copy-box input { background: transparent; border: 0; padding: 8px 0; box-shadow: none !important; color: var(--muted); }
.share-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* player */
.player .controls { display: flex; align-items: center; gap: 16px; margin-top: 18px; }
.play-btn { width: 60px; height: 60px; border-radius: 50%; padding: 0; background: #fff; color: #0b0a12; flex: none; box-shadow: 0 10px 30px -10px rgba(255, 255, 255, .5); }
.play-btn svg { width: 24px; height: 24px; }
.wave { width: 100%; height: 64px; display: block; cursor: pointer; touch-action: none; }
.time { font-variant-numeric: tabular-nums; font-size: 13px; color: var(--muted); font-weight: 700; display: flex; justify-content: space-between; margin-top: 4px; }
.mixer { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 14px; }
.mixer summary { cursor: pointer; font-weight: 700; color: var(--muted); font-size: 14px; list-style: none; display: flex; align-items: center; gap: 8px; }
.mixer summary::-webkit-details-marker { display: none; }
.mixer summary::after { content: "▾"; transition: transform .2s; } .mixer[open] summary::after { transform: rotate(180deg); }
.sliders { display: grid; gap: 14px; margin-top: 16px; }
.sl-row { display: grid; grid-template-columns: 130px 1fr 1fr; gap: 16px; align-items: center; }
.sl-row .who { font-weight: 700; font-size: 14px; display: flex; align-items: center; gap: 8px; overflow: hidden; }
.sl-row .who i { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.sl label { display: flex; justify-content: space-between; font-size: 12px; color: var(--faint); font-weight: 700; }
.sl label b { color: var(--muted); font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .sl-row { grid-template-columns: 1fr 1fr; } .sl-row .who { grid-column: 1 / -1; } }

/* karaoke */
.karaoke { position: relative; border-radius: var(--r-lg); background: radial-gradient(120% 90% at 50% 0%, #1d1535 0%, #0c0a15 70%); border: 1px solid var(--border); overflow: hidden; min-height: 260px; padding: 34px 20px; display: flex; flex-direction: column; justify-content: center; text-align: center; }
.karaoke.tall { min-height: min(56vh, 460px); }
.karaoke .ln { margin: 8px auto; max-width: 820px; transition: opacity .3s, transform .3s; }
.karaoke .ln .who { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; margin-bottom: 8px; }
.karaoke .ln.A .who { background: var(--A-soft); color: var(--A); }
.karaoke .ln.B .who { background: var(--B-soft); color: var(--B); }
.karaoke .ln.AB .who { background: var(--AB-soft); color: var(--AB); }
.karaoke .txt { display: block; font-weight: 700; }
.karaoke .prev { opacity: .3; font-size: 16px; }
.karaoke .prev .who { display: none; }
.karaoke .next { opacity: .55; font-size: 18px; }
.karaoke .next .who { display: none; }
.karaoke .next + .next { opacity: .3; font-size: 16px; }
.karaoke .cur .txt { font: 800 clamp(22px, 4.2vw, 38px)/1.25 var(--display); letter-spacing: -.02em; --p: 0%; --c: #fff;
  background: linear-gradient(90deg, var(--c) var(--p), rgba(255, 255, 255, .28) var(--p)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.karaoke .cur.A .txt { --c: var(--A); } .karaoke .cur.B .txt { --c: var(--B); } .karaoke .cur.AB .txt { --c: #c4b5fd; }
.karaoke .cur.mine .who::after { content: "· вы"; }
.karaoke .cur.theirs .txt { filter: saturate(.7); }
.karaoke .ln.next.mine .txt::before { content: "● "; color: var(--ok); font-size: .7em; vertical-align: middle; }
.karaoke .note { font: 800 34px var(--display); color: var(--faint); letter-spacing: .3em; }
.karaoke .dots { display: flex; gap: 10px; justify-content: center; margin: 14px 0 6px; }
.karaoke .dots i { width: 12px; height: 12px; border-radius: 50%; background: var(--surface-2); transition: background .2s, transform .2s; }
.karaoke .dots i.on { background: var(--ok); transform: scale(1.2); }
.karaoke .hint { color: var(--muted); font-weight: 700; font-size: 15px; }
.karaoke .bar { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--grad); width: 0; }

/* studio */
.studio-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.flow { display: flex; gap: 6px; align-items: center; font-size: 13px; font-weight: 700; color: var(--faint); }
.flow span.on { color: var(--text); }
.flow i { width: 18px; height: 1px; background: var(--border-2); }
.prep { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .prep { grid-template-columns: 1fr; } }
.prep .panel { display: flex; flex-direction: column; gap: 12px; }
.prep .ico-big { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--surface-2); }
.prep .ico-big svg { width: 26px; height: 26px; }
.check { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.check::before { content: "✓"; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #34d39922; color: var(--ok); font-weight: 800; font-size: 12px; flex: none; }
.meter { height: 12px; background: rgba(0, 0, 0, .35); border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.meter > div { height: 100%; width: 0; border-radius: 8px; background: linear-gradient(90deg, var(--ok) 0%, var(--ok) 60%, var(--warn) 80%, var(--rec) 100%); background-size: 300px 100%; transition: width .06s; }
.rec-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.rec-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: rgba(255, 59, 92, .14); color: #ff8fa3; font-weight: 800; font-size: 13px; letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.rec-pill i { width: 9px; height: 9px; border-radius: 50%; background: var(--rec); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.progress { height: 6px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.progress > div { height: 100%; width: 0; background: var(--grad); }
.rec-actions { display: flex; justify-content: center; gap: 12px; margin-top: 22px; }
.rec-btn { width: 84px; height: 84px; border-radius: 50%; padding: 0; background: var(--rec); box-shadow: 0 0 0 6px rgba(255, 59, 92, .18), 0 16px 40px -10px var(--rec); position: relative; }
.rec-btn::after { content: ""; width: 30px; height: 30px; border-radius: 50%; background: #fff; transition: border-radius .2s, width .2s, height .2s; }
.rec-btn.stop::after { width: 26px; height: 26px; border-radius: 6px; }
.rec-btn .ring { position: absolute; inset: -6px; border-radius: 50%; border: 3px solid var(--ok); opacity: 0; transition: opacity .08s, transform .08s; }
.countdown { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(9, 8, 15, .6); backdrop-filter: blur(6px); font: 800 120px/1 var(--display); z-index: 3; }
.countdown span { animation: pop .9s ease-out; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes pop { from { transform: scale(1.6); opacity: 0; } 30% { opacity: 1; } to { transform: scale(1); } }

/* editor */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; }
.sticky { position: sticky; top: 0; z-index: 10; padding: 12px 0; background: linear-gradient(var(--bg) 85%, transparent); }
.ed-controls { display: flex; align-items: center; gap: 12px; }
.ed-list { display: grid; gap: 4px; margin-top: 8px; }
.ed-row { display: grid; grid-template-columns: 92px auto 1fr auto; gap: 10px; align-items: center; padding: 6px 8px; border-radius: var(--r-sm); border: 1px solid transparent; transition: background .15s; }
.ed-row.cursor { background: #a855f714; border-color: #a855f766; }
.ed-row.playing .t { background: var(--ok); color: #04261a; border-color: var(--ok); }
.ed-row .t { font: 700 13px/1 var(--body); font-variant-numeric: tabular-nums; padding: 9px 6px; border-radius: 10px; background: rgba(0, 0, 0, .3); border: 1px solid var(--border); color: var(--text); }
.ed-row .t.none { color: var(--faint); }
.ed-row input[type=text] { padding: 9px 12px; }
.partsel { display: flex; gap: 3px; background: rgba(0, 0, 0, .3); border-radius: 10px; padding: 3px; border: 1px solid var(--border); }
.partsel button { padding: 6px 9px; font-size: 12px; border-radius: 7px; color: var(--faint); background: transparent; }
.partsel button.on.A { background: var(--A); color: #04202e; } .partsel button.on.B { background: var(--B); color: #3a0820; }
.partsel button.on.AB { background: var(--AB); color: #1c0f3d; } .partsel button.on.n { background: #555; color: #fff; }
.ed-row .acts { display: flex; gap: 2px; }
.ed-row .acts button { padding: 8px; border-radius: 8px; color: var(--faint); background: transparent; font-size: 14px; }
.ed-row .acts button:hover { color: var(--text); background: var(--surface-2); }
@media (max-width: 640px) { .ed-row { grid-template-columns: 80px 1fr auto; } .ed-row .partsel { grid-column: 1 / -1; order: 5; justify-self: start; } }
.banner { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: var(--r); border: 1px solid; font-size: 14px; }
.banner.ok { background: #34d39912; border-color: #34d39940; }
.banner.warn { background: #fbbf2412; border-color: #fbbf2440; }
.banner b { display: block; font-size: 15px; margin-bottom: 2px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--muted); font-weight: 600; }
.legend span { display: inline-flex; align-items: center; gap: 6px; } .legend i { width: 10px; height: 10px; border-radius: 3px; }
kbd { font: 700 12px var(--body); background: rgba(255, 255, 255, .15); border-radius: 6px; padding: 3px 7px; }

/* modal */
#modal { position: fixed; inset: 0; z-index: 50; background: rgba(5, 4, 10, .7); backdrop-filter: blur(8px); display: grid; place-items: center; padding: 16px; }
#modal .dialog { width: min(640px, 100%); max-height: 86vh; overflow: auto; background: #15121f; border: 1px solid var(--border-2); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--shadow); }
.result { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--r-sm); background: var(--surface); border: 1px solid var(--border); cursor: pointer; text-align: left; width: 100%; justify-content: flex-start; white-space: normal; font-weight: 600; }
.result:hover { border-color: #a855f7; }
.result .t1 { font-weight: 800; } .result .t2 { font-size: 13px; color: var(--muted); }

/* toast */
#toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); background: #f5f3ff; color: #0b0a12; padding: 13px 20px; border-radius: 999px; font-weight: 700; font-size: 14px; opacity: 0; transition: opacity .25s, transform .25s; pointer-events: none; z-index: 99; box-shadow: var(--shadow); max-width: calc(100vw - 32px); }
#toast.on { opacity: 1; transform: translate(-50%, 0); }

.skeleton { height: 200px; border-radius: var(--r-lg); background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.fade-in { animation: fadeIn .35s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } }

/* upload mode switch */
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.seg button { flex-direction: column; align-items: flex-start; gap: 4px; border-radius: var(--r); padding: 14px 16px; background: rgba(0, 0, 0, .25); border: 1.5px solid var(--border); white-space: normal; text-align: left; }
.seg button b { font-size: 15px; }
.seg button span { font-size: 13px; color: var(--muted); font-weight: 500; }
.seg button.on { border-color: #a855f7; background: #a855f71a; box-shadow: 0 0 0 4px #a855f714; }
@media (max-width: 520px) { .seg { grid-template-columns: 1fr; } }
.guide .sl label span { white-space: normal; }
.karaoke .plain { max-height: 46vh; overflow-y: auto; text-align: center; font-weight: 700; font-size: 18px; line-height: 1.6; padding: 0 8px; }
.karaoke .plain .pl.A { color: var(--A); } .karaoke .plain .pl.B { color: var(--B); } .karaoke .plain .pl.AB { color: #c4b5fd; } .karaoke .plain .pl.n { color: var(--faint); font-style: italic; }