:root {
  --ink: #f5f0ff;
  --muted: #a89cc4;
  --dim: #6f6590;
  --glass: rgba(14, 9, 24, 0.78);
  --glass-hi: rgba(28, 18, 46, 0.92);
  --line: rgba(255, 255, 255, 0.08);
  --hot: #ff2bd6;
  --violet: #7b3dff;
  --cyan: #27e6ff;
  --g: #22c84e; --r: #e8303e; --y: #f2c81b; --b: #2f7fe8; --o: #ff8a1a;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: #040308; color: var(--ink); font-family: Inter, system-ui, sans-serif; overflow: hidden; }
button { font: inherit; cursor: pointer; border: 0; color: inherit; background: none; }
.hidden { display: none !important; }
kbd {
  display: inline-block; min-width: 22px; padding: 2px 6px; margin-right: 3px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.1); border-bottom: 2px solid rgba(255, 255, 255, 0.18);
  font: 700 12px Inter, sans-serif; text-align: center; color: var(--ink);
}
.pad {
  display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; margin: 0 4px 0 2px;
  font: 900 11px Inter, sans-serif; color: #fff; background: #3a3450; vertical-align: middle;
}
.pad.a { background: #3cb043; } .pad.b { background: #e0303a; } .pad.x { background: #2f6fe0; } .pad.y { background: #f2c21b; color: #221a00; }

#stage { position: fixed; inset: 0; z-index: 0; }
#stage canvas { width: 100%; height: 100%; display: block; }
.screen { display: none; position: fixed; inset: 0; z-index: 1; }
.screen.active { display: block; }

/* ---------- setlist menu ---------- */
#library {
  background: linear-gradient(90deg, rgba(4, 2, 10, 0.94) 0%, rgba(4, 2, 10, 0.82) 34%, rgba(4, 2, 10, 0.2) 58%, transparent 70%);
}
.menu-left { position: absolute; top: 0; bottom: 52px; left: 0; width: min(560px, 100%); padding: 34px 28px 0 44px; display: flex; flex-direction: column; }
.brand { display: flex; align-items: flex-end; gap: 16px; }
.brand h1 {
  margin: 0; font: 400 clamp(40px, 5.2vw, 64px)/0.9 Bungee, sans-serif; letter-spacing: 1px;
  color: #fff; text-shadow: 0 3px 0 #7b3dff, 0 0 30px rgba(255, 43, 214, 0.35);
}
.frets { display: flex; gap: 6px; padding-bottom: 8px; }
.frets i { width: 14px; height: 14px; border-radius: 50%; box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.3); }
.frets .g { background: var(--g); } .frets .r { background: var(--r); } .frets .y { background: var(--y); } .frets .b { background: var(--b); } .frets .o { background: var(--o); }

.import { display: flex; margin: 26px 0 8px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); }
.import:focus-within { border-color: var(--hot); }
.import input { flex: 1; min-width: 0; padding: 13px 16px; font-size: 15px; border: 0; background: transparent; color: var(--ink); outline: none; }
.import input::placeholder { color: var(--dim); }
.import button { padding: 0 20px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; font-size: 13px; background: linear-gradient(135deg, var(--hot), var(--violet)); }

.job { background: var(--glass); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin: 6px 0; font-size: 13px; }
.job b { font-weight: 800; letter-spacing: 1px; font-size: 11px; color: var(--cyan); margin-right: 6px; }
.job .msg { color: var(--muted); }
.job .bar { height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.08); margin-top: 8px; overflow: hidden; }
.job .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--hot)); transition: width 0.4s; }
.job.error { border-color: rgba(232, 48, 62, 0.6); }
.job.error b { color: var(--r); }

.setlist-head { display: flex; justify-content: space-between; margin: 22px 4px 10px; font: 800 11px Inter; letter-spacing: 3px; text-transform: uppercase; color: var(--dim); }
.setlist { flex: 1; min-height: 0; overflow-y: auto; padding: 4px 18px 20px 4px; margin-right: -18px; scrollbar-width: thin; scrollbar-color: #3a2c58 transparent; }
.song {
  width: 100%; display: grid; grid-template-columns: 26px 88px 1fr auto; align-items: center; gap: 14px;
  padding: 8px 14px 8px 10px; margin-bottom: 6px; text-align: left; border-radius: 10px;
  background: rgba(20, 13, 34, 0.55); border: 1px solid transparent;
  transform: skewX(-6deg); transition: transform 0.14s, background 0.14s;
}
.song > * { transform: skewX(6deg); }
.song .n { font: 400 15px Bungee; color: var(--dim); text-align: right; }
.song img { width: 88px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 5px; background: #1a1128; }
.song .tt { min-width: 0; }
.song .tt b { display: block; font-size: 15px; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.song .tt span { font-size: 12px; color: var(--muted); }
.song .side { text-align: right; font-size: 12px; color: var(--muted); white-space: nowrap; }
.song .side .st { display: block; color: var(--y); letter-spacing: 1px; }
.song:hover { background: rgba(40, 26, 66, 0.75); }
.song.sel {
  background: linear-gradient(100deg, rgba(255, 43, 214, 0.9), rgba(123, 61, 255, 0.9));
  transform: skewX(-6deg) translateX(10px); box-shadow: 0 10px 30px rgba(255, 43, 214, 0.25);
}
.song.sel .n, .song.sel .tt span, .song.sel .side { color: rgba(255, 255, 255, 0.85); }
.empty { color: var(--muted); font-size: 15px; margin: 10px 4px; }

.detail {
  flex: none; margin: 8px 0 18px; background: var(--glass); backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.d-body { padding: 16px 18px 16px; }
.detail h2 { margin: 0; font-size: 18px; font-weight: 900; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.detail p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.d-meta { font-size: 12px !important; color: var(--dim) !important; margin-top: 8px !important; }
.d-credit { font-size: 11px !important; color: var(--dim) !important; margin-top: 4px !important; }
.d-credit:empty { display: none; }
.d-credit a { color: var(--muted); }
.static-note { display: none; margin: 18px 0 0; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); color: var(--muted); font-size: 13px; line-height: 1.4; }
body.static .import, body.static #jobs { display: none; }
body.static .static-note { display: block; }
.pills { display: flex; gap: 6px; flex-wrap: wrap; }
#d-inst { margin: 12px 0 10px; }
.pills button { padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.07); font-size: 13px; font-weight: 700; text-transform: capitalize; }
.pills button.on { background: var(--ink); color: #120a1e; }
.diffs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.diffs button { padding: 10px 4px 9px; border-radius: 10px; background: rgba(255, 255, 255, 0.05); border: 2px solid transparent; font-size: 11px; font-weight: 900; letter-spacing: 1px; text-transform: uppercase; }
.diffs button small { display: block; font-weight: 600; letter-spacing: 0; text-transform: none; color: var(--muted); margin-top: 3px; font-size: 11px; }
.diffs button .dots { display: flex; gap: 3px; justify-content: center; margin-bottom: 6px; }
.diffs button .dots i { width: 7px; height: 7px; border-radius: 50%; }
.diffs button.on { border-color: var(--hot); background: rgba(255, 43, 214, 0.12); }
.play {
  width: 100%; margin-top: 12px; padding: 13px; border-radius: 12px;
  background: linear-gradient(135deg, var(--hot), var(--violet)); font: 400 20px Bungee; letter-spacing: 2px;
  box-shadow: 0 10px 30px rgba(255, 43, 214, 0.3); transition: filter 0.12s, transform 0.12s;
}
.play:hover { filter: brightness(1.12); transform: translateY(-1px); }
.play .pad { width: 24px; height: 24px; font-size: 12px; }
.d-best { text-align: center; font-size: 12px !important; margin-top: 10px !important; color: var(--y) !important; }

.hints {
  position: absolute; left: 0; right: 0; bottom: 0; height: 52px; display: flex; align-items: center; gap: 26px; padding: 0 44px;
  background: linear-gradient(0deg, rgba(4, 2, 10, 0.9), transparent); font-size: 12px; color: var(--muted);
}
.hints span { display: flex; align-items: center; }
.linkish { color: var(--muted); display: flex; align-items: center; font-size: 12px; }
.artist-link { margin-left: auto; }
.artist-link a { color: var(--ink); font-weight: 800; text-decoration: none; padding: 7px 14px; border-radius: 999px; background: linear-gradient(135deg, rgba(255, 43, 214, 0.35), rgba(123, 61, 255, 0.35)); border: 1px solid rgba(255, 43, 214, 0.5); }
.artist-link a:hover { background: linear-gradient(135deg, var(--hot), var(--violet)); }
.linkish:hover { color: var(--ink); }

/* ---------- modals ---------- */
.modal { position: fixed; inset: 0; background: rgba(4, 2, 10, 0.6); backdrop-filter: blur(4px); display: grid; place-items: center; z-index: 20; padding: 16px; }
.panel { position: relative; background: var(--glass-hi); border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px; width: min(560px, 100%); max-height: 92vh; overflow: auto; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); }
.panel.small { width: min(360px, 100%); text-align: center; }
.panel h2 { margin: 0 0 12px; font: 400 26px Bungee; }
.panel h3 { margin: 24px 0 10px; font: 800 11px Inter; letter-spacing: 3px; text-transform: uppercase; color: var(--dim); }
.close { position: absolute; top: 12px; right: 16px; font-size: 26px; color: var(--muted); }
.ghost { width: 100%; margin-top: 8px; padding: 12px; border-radius: 12px; border: 1px solid var(--line); font-weight: 700; display: flex; align-items: center; justify-content: center; }
.ghost:hover { border-color: rgba(255, 255, 255, 0.3); }
.row { display: grid; grid-template-columns: 110px 1fr 70px; align-items: center; gap: 14px; margin: 10px 0; font-size: 14px; }
.row label { color: var(--muted); }
.row b { text-align: right; font-variant-numeric: tabular-nums; }
.row .pills { grid-column: 2 / 4; }
.row input[type=range] { width: 100%; accent-color: var(--hot); }
.note { color: var(--dim); font-size: 12px; margin: 4px 0; letter-spacing: 0; text-transform: none; font-weight: 400; }
.binds { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.binds button { padding: 10px 4px 8px; border-radius: 10px; background: rgba(255, 255, 255, 0.05); font-size: 11px; color: var(--muted); border-top: 4px solid var(--c, var(--muted)); }
.binds button b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 2px; }
.binds button.wait { background: rgba(255, 43, 214, 0.4); }
.bind-prompt { color: var(--y); font-weight: 800; text-align: center; }

/* ---------- play ---------- */
#hud { position: absolute; inset: 0; pointer-events: none; }
.hud-song { position: absolute; top: 20px; left: 24px; max-width: 36vw; text-shadow: 0 2px 10px #000; }
.hud-song b { display: block; font-size: 17px; font-weight: 800; }
.hud-song span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 2px; }
.hud-score { position: absolute; top: 16px; right: 24px; text-align: right; text-shadow: 0 2px 12px #000; }
#h-score { font: 400 clamp(28px, 3.6vw, 44px) Bungee; font-variant-numeric: tabular-nums; }
.hud-row { display: flex; gap: 10px; justify-content: flex-end; align-items: center; margin-top: 2px; }
#h-streak { font-weight: 800; font-size: 14px; color: var(--muted); }
.mult { font: 400 22px Bungee; padding: 2px 12px; border-radius: 10px; }
.mult.m1 { background: rgba(255, 255, 255, 0.1); }
.mult.m2 { background: var(--y); color: #211a00; }
.mult.m3 { background: var(--g); color: #03210d; }
.mult.m4 { background: linear-gradient(90deg, var(--hot), var(--violet)); animation: throb 0.45s infinite alternate; }
@keyframes throb { to { transform: scale(1.1); } }
.judge { position: absolute; left: 50%; top: 44%; transform: translate(-50%, -50%); font: 400 30px Bungee; opacity: 0; text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8); }
.judge.pop { animation: pop 0.45s ease-out; }
.judge.PERFECT { color: #fff; }
.judge.GOOD { color: var(--g); }
.judge.MISS, .judge.OVERSTRUM { color: var(--r); font-size: 24px; }
.judge small { display: block; font: 600 11px Inter; text-align: center; color: var(--muted); }
@keyframes pop { 0% { opacity: 1; transform: translate(-50%, -30%) scale(1.25); } 70% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -80%) scale(1); } }
.hud-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(255, 255, 255, 0.06); }
#h-prog { height: 100%; width: 100%; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, var(--cyan), var(--hot)); }
#fps { position: fixed; left: 10px; bottom: 10px; z-index: 30; font: 700 11px/1.3 ui-monospace, Consolas, monospace; color: #9f9; background: rgba(0, 0, 0, 0.55); padding: 4px 7px; border-radius: 6px; pointer-events: none; white-space: pre; }
.gpu-tip { color: var(--y) !important; }
.loading { position: absolute; inset: 0; display: grid; place-items: center; font: 400 26px Bungee; background: rgba(4, 2, 10, 0.55); }

/* ---------- results ---------- */
#results.active { display: grid; place-items: center; background: rgba(4, 2, 10, 0.45); }
.results { width: min(500px, calc(100% - 32px)); text-align: center; }
.r-song { color: var(--muted); font-size: 13px; margin: 0 0 6px; }
.stars { font-size: 44px; letter-spacing: 6px; color: var(--y); text-shadow: 0 0 20px rgba(242, 200, 27, 0.5); }
.stars .off { color: rgba(255, 255, 255, 0.12); text-shadow: none; }
.r-score { font: 400 clamp(44px, 10vw, 72px)/1.05 Bungee; }
.r-best { color: var(--y); font-size: 13px; font-weight: 700; }
.r-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 22px 0 6px; }
.r-grid div { background: rgba(255, 255, 255, 0.05); border-radius: 10px; padding: 10px 4px; }
.r-grid b { display: block; font-size: 20px; }
.r-grid span { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }

@media (max-height: 820px) {
  .menu-left { padding-top: 22px; }
  .brand h1 { font-size: 42px; }
  .import { margin: 16px 0 6px; }
  .import input { padding: 10px 14px; }
  .setlist-head { margin: 12px 4px 6px; }
  .song { padding: 5px 12px 5px 8px; margin-bottom: 4px; grid-template-columns: 22px 64px 1fr auto; }
  .song img { width: 64px; }
  #d-artist { display: none; }
  #d-inst { margin: 8px 0 8px; }
  .diffs button { padding: 7px 4px 6px; }
  .diffs button small { display: none; }
  .play { padding: 10px; font-size: 18px; margin-top: 10px; }
  .detail { margin-bottom: 10px; }
}
@media (max-width: 1000px) {
  #library { background: rgba(4, 2, 10, 0.85); }
  .menu-left { padding: 24px 16px 0; }
  .hints { display: none; }
  .r-grid { grid-template-columns: repeat(3, 1fr); }
}