:root{--bg:#07111f;--panel:#101827;--soft:#172238;--text:#eef6ff;--muted:#91a3b8;--line:#29364a;--a:#25c2a0;--b:#4aa3ff;--bad:#ff6b7a}
*{box-sizing:border-box} body{margin:0;min-height:100vh;display:grid;grid-template-columns:230px 1fr;background:var(--bg);color:var(--text);font:15px/1.45 Arial,Helvetica,sans-serif} a{color:inherit}
aside{min-height:100vh;padding:24px;background:#050b14;border-right:1px solid var(--line);position:sticky;top:0} aside b,aside span{display:block} aside b{font-size:24px} aside span,small,.card span,.card small,.rows span{color:var(--muted)}
nav{display:grid;gap:8px;margin:28px 0} button{border:1px solid transparent;background:transparent;color:var(--muted);text-align:left;padding:11px 12px;border-radius:8px;cursor:pointer;font:inherit} button:hover,button.on{background:var(--soft);border-color:var(--line);color:var(--text)}
main{width:min(1180px,100%);padding:28px;margin:0 auto} header{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px} h1,h2,h3{margin:0} h1{font-size:clamp(30px,5vw,52px)} h2{font-size:32px} time{padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--panel);text-align:right} time span,time b{display:block} time b{font-size:24px}
.hero,.panel,.card{background:var(--panel);border:1px solid var(--line);border-radius:8px}.hero{padding:26px;margin-bottom:18px}.hero p{color:var(--muted);margin:8px 0 0}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:14px}.card,.panel{padding:18px}.card b{display:block;font-size:24px;margin:7px 0}.card i{display:block;height:8px;background:#0b1220;border-radius:9px;overflow:hidden;margin:8px 0}.card em{display:block;height:100%;background:linear-gradient(90deg,var(--a),var(--b))}
.rows{display:grid;gap:10px}.rows p{display:flex;justify-content:space-between;gap:14px;margin:0;padding:12px;background:#0b1220;border:1px solid var(--line);border-radius:8px}.rows b{text-align:right;word-break:break-word}.ok{color:var(--a)}.bad{color:var(--bad)}.links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.links a{padding:12px;text-decoration:none;background:var(--soft);border:1px solid var(--line);border-radius:8px}
.mix p{color:var(--muted);margin-top:0}.mix audio{width:100%;margin:10px 0 14px}
.actions,.edit,.clips{display:grid;gap:10px}.actions{grid-template-columns:repeat(4,minmax(0,1fr));margin:10px 0}.actions button,.actions select,.file{background:var(--soft);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:11px;font:inherit;text-align:center}.file input{display:none}
.edit{grid-template-columns:repeat(2,minmax(0,1fr));margin:12px 0}.clip{background:#0b1220;border:1px solid var(--line);border-radius:8px;padding:14px}.clip header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.clip header div{display:flex;gap:6px}.clip button{background:var(--soft);padding:7px 10px}.mini{display:grid;grid-template-columns:1fr 1fr;gap:8px}
label{display:grid;gap:5px;color:var(--muted);font-size:13px}input,select{width:100%;background:#07111f;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:10px;font:inherit}select{appearance:auto}.links a{cursor:pointer}
.mixer-mode{display:block}.mixer-mode aside,.mixer-mode main>header,.mixer-mode .hero{display:none}.mixer-mode main{width:min(980px,100%);padding:10px;margin:0 auto}.mixer-top{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;gap:10px;align-items:center;background:rgba(7,17,31,.96);border-bottom:1px solid var(--line);padding:10px 0 12px;margin-bottom:10px}.mixer-top h2{font-size:24px}.mixer-top p{margin:3px 0 0;color:var(--muted)}.project-actions,.loadbar,.clip-actions,.section-head{display:grid;gap:8px}.project-actions{grid-template-columns:repeat(4,1fr);min-width:420px}.loadbar{grid-template-columns:2fr 1fr 1fr;margin:10px 0}.section-head{grid-template-columns:1fr auto;align-items:center;margin-bottom:12px}.section-head button,.project-actions button,.loadbar button{background:var(--soft);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px;font:inherit}.clip{padding:0;overflow:hidden}.clip summary{display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;padding:13px;cursor:pointer}.clip summary b{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--soft)}.clip summary small{white-space:nowrap}.clip-body{display:grid;gap:10px;padding:0 13px 13px}.clip-actions{grid-template-columns:repeat(4,1fr)}.muted p{color:var(--muted);margin-bottom:0}
.preview iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:8px;background:#000}.preview audio{width:100%}.preview p{color:var(--muted);margin-bottom:0}
@media(max-width:850px){body{display:block}aside{min-height:auto;position:static}main{padding:18px}header{display:block}time{display:block;text-align:left;margin-top:14px}.grid,.links,.actions,.edit,.mini{grid-template-columns:1fr}h1{font-size:34px}h2{font-size:26px}.card b{font-size:21px}}
@media(max-width:850px){.mixer-mode main{padding:8px}.mixer-top{display:block}.project-actions,.loadbar,.clip-actions{grid-template-columns:1fr 1fr;min-width:0;margin-top:10px}.clip summary{grid-template-columns:34px 1fr}.clip summary small{grid-column:2;white-space:normal}.mix audio{margin:6px 0 10px}}
.clip summary{border-left:5px solid var(--clip,#4aa3ff);background:linear-gradient(90deg,color-mix(in srgb,var(--clip,#4aa3ff) 18%,transparent),transparent)}
.clip summary b{background:var(--clip,#4aa3ff);color:#06111f}
.inline-preview{background:#050b14;border:1px solid var(--line);border-radius:8px;padding:8px}
.inline-preview iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:8px;background:#000}
.inline-preview audio{width:100%}
.inline-preview.empty{color:var(--muted);padding:14px}
.timeline{display:flex;gap:8px;overflow-x:auto;padding:8px 0 14px;margin-bottom:4px}
.timeline button{min-width:135px;border-color:var(--line);background:#07111f;border-left:5px solid var(--clip,#4aa3ff);color:var(--text);padding:10px;border-radius:8px}
.timeline b,.timeline span,.timeline small{display:block;text-align:left}.timeline span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.timeline small{color:var(--muted)}
.clip-actions{grid-template-columns:repeat(7,1fr)}
@media(max-width:850px){.clip-actions{grid-template-columns:1fr 1fr}.timeline button{min-width:118px}}
.preview-duo{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.preview-duo strong{display:block;margin:0 0 6px;color:var(--muted)}
.preview-duo iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:8px;background:#000}
.clip-save{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding-top:4px}
.clip-save button{background:linear-gradient(135deg,var(--a),var(--b));border:0;color:#06111f;border-radius:8px;padding:10px;font-weight:700}
@media(max-width:850px){.preview-duo,.clip-save{grid-template-columns:1fr}}
.mix-player #yt-player{width:100%;max-width:420px;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden}
.mix-player iframe{width:100%;height:100%;border:0}
.player-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.player-actions button{background:var(--soft);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px;font:inherit}
.audio-shell{width:100%;max-width:420px;height:76px;overflow:hidden;border-radius:8px;background:#000;border:1px solid var(--line)}
.audio-shell #yt-player{width:420px;height:236px;transform:translateY(-80px);transform-origin:top left}
.mix-meta{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 10px}
.mix-meta span{padding:6px 9px;border:1px solid var(--line);border-radius:999px;background:#07111f;color:var(--muted);font-size:13px}
.mix-meta .ok{color:var(--a)}.mix-meta .bad{color:var(--bad)}
.segment-box{background:#050b14;border:1px solid var(--line);border-radius:8px;padding:12px;display:grid;gap:4px}
.segment-box b{color:var(--a)}.segment-box span{color:var(--text)}.segment-box small{color:var(--muted)}

/* Mobile app shell */
body{display:block;background:#07111f}
.mobile-bar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:74px 1fr 74px;align-items:center;gap:8px;padding:8px;background:rgba(5,11,20,.96);border-bottom:1px solid var(--line)}
.mobile-bar button{background:var(--soft);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px;text-align:center}
.mobile-bar strong{text-align:center}
aside{position:fixed;z-index:30;inset:0 auto 0 0;width:min(82vw,280px);transform:translateX(-105%);transition:transform .18s ease;box-shadow:0 20px 60px rgba(0,0,0,.45)}
.menu-open aside{transform:translateX(0)}
main{width:min(760px,100%);padding:12px;margin:0 auto}
main>header,.hero{display:none}
.mixer-mode aside{display:block}
.mixer-mode main{width:min(760px,100%);padding:12px;margin:0 auto}
.dashboard-hero{border:1px solid var(--line);border-radius:8px;background:linear-gradient(135deg,#101827,#172238);padding:18px;margin-bottom:12px}
.dashboard-hero small{color:var(--a);text-transform:uppercase;font-weight:700}
.dashboard-hero h2{font-size:34px;margin:4px 0}
.dashboard-hero p{color:var(--muted);margin:0}
.app-list{display:grid;gap:10px}
.app-list button{display:grid;gap:4px;text-align:left;background:#07111f;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:14px}
.app-list span{color:var(--muted)}
.top-fab{position:fixed;right:12px;bottom:12px;z-index:18;width:44px;height:44px;border-radius:50%;background:var(--a);color:#06111f;border:0;font-weight:800;text-align:center}