[hidden]{display:none !important}
:root{
  --bg:#f6f5f2; --ink:#16151a; --mute:#6c6a73; --line:#e3e1dc;
  --acc:#6d4aff; --acc2:#efeaff; --red:#ff3b30; --card:#fff;
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink)}
body{display:flex;flex-direction:column;min-height:100vh}
button{font:inherit;cursor:pointer}
.top{display:flex;justify-content:space-between;align-items:center;padding:14px 22px}
.brand{font-weight:700;font-size:18px;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px var(--acc2)}
.tag{color:var(--mute);font-size:13px}
main{flex:1;display:flex;flex-direction:column}
.foot{display:flex;justify-content:space-between;padding:12px 22px;color:var(--mute);font-size:12px}
.foot a{color:var(--mute)}

.start{max-width:760px;margin:6vh auto 0;padding:0 22px;text-align:center}
.start h1{font-size:clamp(34px,6vw,60px);line-height:1.02;letter-spacing:-.04em;margin:0 0 18px}
.sub{color:var(--mute);font-size:18px;line-height:1.45;margin:0 auto 30px;max-width:560px}
.actions{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}
.primary{background:var(--ink);color:#fff;border:0;border-radius:12px;padding:14px 22px;font-weight:600;font-size:16px;display:inline-flex;align-items:center;gap:10px}
.primary:hover{background:#2c2a33}
.primary:disabled{opacity:.5;cursor:default}
.ghost{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 20px;font-weight:500;font-size:15px;cursor:pointer;color:var(--ink)}
.ghost:hover{border-color:#c9c6bf}
.wide{width:100%;margin-top:8px}
.link{background:none;border:0;color:var(--mute);text-decoration:underline;margin-top:10px;font-size:13px}
.rec{width:10px;height:10px;border-radius:50%;background:var(--red);display:inline-block}
.check{display:inline-flex;gap:8px;align-items:center;margin-top:18px;color:var(--mute);font-size:14px}
.err{color:#c4281c;font-size:14px}
.drop{margin:34px auto 0;border:2px dashed var(--line);border-radius:18px;padding:34px;color:var(--mute);font-size:14px}
.drop.over{border-color:var(--acc);background:var(--acc2);color:var(--acc)}

.recording{margin:auto;text-align:center}
.count{font-size:120px;font-weight:700;letter-spacing:-.05em}
.live{display:flex;align-items:center;gap:10px;justify-content:center;margin:20px 0;color:var(--mute)}
.live .rec{animation:blink 1s infinite}
@keyframes blink{50%{opacity:.2}}

.editor{display:grid;grid-template-columns:1fr 260px;grid-template-rows:1fr auto auto;gap:14px;padding:0 22px 8px;flex:1;min-height:0}
.stage-wrap{position:relative;display:flex;align-items:center;justify-content:center;min-height:0;background:#ebe9e4;border-radius:16px;padding:16px}
#stage{max-width:100%;max-height:62vh;border-radius:6px;box-shadow:0 10px 40px rgba(0,0,0,.12);cursor:crosshair}
.stage-hint{position:absolute;top:24px;left:24px;background:rgba(22,21,26,.82);color:#fff;font-size:12px;padding:6px 10px;border-radius:8px;pointer-events:none;opacity:0;transition:opacity .2s}
.stage-hint.show{opacity:1}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;overflow:auto}
.group{padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.group:last-child{border:0;margin:0}
.label{font-size:12px;color:var(--mute);margin:6px 0;display:flex;justify-content:space-between}
input[type=range]{width:100%;accent-color:var(--acc)}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;background:#f1efea;border-radius:10px;padding:3px}
.seg button{border:0;background:none;border-radius:8px;padding:7px 0;font-size:13px;color:var(--mute)}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.1);font-weight:600}
.swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.swatches button{aspect-ratio:1;border-radius:8px;border:2px solid transparent;padding:0}
.swatches button.on{border-color:var(--ink)}
.transport{grid-column:1/-1;display:flex;align-items:center;gap:12px}
.icon{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:14px}
.tc{font-variant-numeric:tabular-nums;font-size:13px;color:var(--mute);width:56px}
#timeline{flex:1;height:64px;background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer}
.help{grid-column:1/-1;margin:0;font-size:12px;color:var(--mute)}
.progress{position:relative;height:30px;border-radius:8px;background:#f1efea;margin-top:8px;overflow:hidden}
.progress div{position:absolute;inset:0 auto 0 0;background:var(--acc);width:0}
.progress span{position:relative;display:block;text-align:center;line-height:30px;font-size:12px;font-weight:600;mix-blend-mode:difference;color:#fff}
.dl{display:block;text-align:center;margin-top:8px;background:var(--acc);color:#fff;border-radius:12px;padding:12px;font-weight:600;text-decoration:none}

@media (max-width:820px){
  .editor{grid-template-columns:1fr}
  .panel{order:3}
}
.note{color:var(--mute);font-size:13px;max-width:420px;margin:12px auto 0}
.demo{display:block;width:100%;max-width:760px;margin:34px auto 0;border-radius:14px;box-shadow:0 20px 60px rgba(30,20,80,.18);background:#ddd}
.cap{color:var(--mute);font-size:12px;margin-top:10px}
.tag a{color:inherit}