:root{
  --bg:#0b0a0f;--bg2:#14121b;--card:#1a1723;--line:#2c2838;--ink:#f3efe6;--mut:#a9a3b5;
  --amber:#ffb347;--rose:#ff4f81;--cyan:#38d6ff;--lime:#8cf28a;
  --grad:linear-gradient(90deg,var(--amber),var(--rose) 50%,var(--cyan));
  --r:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 Inter,system-ui,sans-serif;min-height:100vh;
  background-image:radial-gradient(ellipse at 20% -10%,#2a1a33 0,transparent 55%),radial-gradient(ellipse at 100% 10%,#102632 0,transparent 50%)}
a{color:var(--cyan)}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#000;padding:8px;z-index:9}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px max(16px,4vw);position:sticky;top:0;z-index:5;background:rgba(11,10,15,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;gap:10px;align-items:center;color:var(--ink);text-decoration:none}
.brand b{font:400 26px/1 'Bebas Neue',sans-serif;letter-spacing:.06em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand small{display:block;font-size:11px;color:var(--mut);letter-spacing:.04em}
.top nav{display:flex;gap:14px;align-items:center}
.top nav a{color:var(--mut);text-decoration:none;font-size:14px}
@media(max-width:620px){.top nav a{display:none}}
.hero{text-align:center;padding:48px 16px 24px;max-width:900px;margin:auto;position:relative}
.film{height:14px;margin:0 auto 26px;max-width:520px;background:repeating-linear-gradient(90deg,#000 0 14px,transparent 14px 22px),var(--grad);border-radius:3px;opacity:.85}
h1{font:400 clamp(40px,8vw,78px)/.98 'Bebas Neue',sans-serif;letter-spacing:.02em;margin:0 0 14px}
h1 .bw{color:#d8d8d8;filter:grayscale(1)}
h1 .clr{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--mut);font-size:clamp(16px,2.3vw,19px);max-width:640px;margin:0 auto 18px}
.caps{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.caps li{font-size:12.5px;padding:5px 10px;border-radius:99px;border:1px solid var(--line);background:var(--bg2)}
.caps li.ok::before{content:"● ";color:var(--lime)}.caps li.warn::before{content:"● ";color:var(--amber)}.caps li.err::before{content:"● ";color:var(--rose)}
.app{max-width:980px;margin:12px auto 40px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 80px -30px #000}
@media(max-width:600px){.app{margin:8px 10px 30px;padding:12px;border-radius:18px}}
.tabs{display:flex;gap:8px;align-items:center;margin-bottom:14px}
.tab{flex:0 0 auto;background:var(--bg2);border:1px solid var(--line);color:var(--mut);padding:10px 18px;border-radius:12px;font:600 15px Inter,sans-serif;cursor:pointer}
.tab[aria-selected=true]{color:var(--ink);border-color:transparent;background:linear-gradient(var(--bg2),var(--bg2)) padding-box,var(--grad) border-box}
.pill{margin-left:auto;font-size:12px;padding:4px 10px;border-radius:99px;background:var(--bg2);border:1px solid var(--line);color:var(--mut)}
.engine{margin:0 0 14px}.engine p{margin:6px 0 0;font-size:13px;color:var(--mut)}
.engine-track,.track{height:8px;background:var(--bg2);border-radius:99px;overflow:hidden;border:1px solid var(--line)}
#engine-bar,#m-bar{height:100%;width:0;background:var(--grad);transition:width .3s}
.engine.ok p{color:var(--lime)}.engine.err p{color:var(--rose)}
.drop{border:2px dashed #3b3550;border-radius:var(--r);padding:34px 16px;text-align:center;cursor:pointer;transition:.2s;background:rgba(255,255,255,.015)}
.drop:hover,.drop:focus,.drop.hot{border-color:var(--amber);background:rgba(255,179,71,.06);outline:none}
.drop p{margin:6px 0 0;color:var(--mut)}.drop b{color:var(--ink)}
.drop-ico{font-size:40px}
.stage{margin-top:16px;display:grid;gap:14px}
.meta{margin:0;font-size:13px;color:var(--mut);word-break:break-all}
video{width:100%;max-height:60vh;background:#000;border-radius:12px}
.row{display:flex;flex-wrap:wrap;gap:10px}
.btn{appearance:none;border:0;cursor:pointer;font:600 15px Inter,sans-serif;color:#120d08;padding:11px 18px;border-radius:12px;background:var(--grad);box-shadow:0 6px 22px -10px var(--rose)}
.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.danger{background:var(--rose);color:#fff}
.btn.big{font-size:18px;padding:15px 26px;flex:1 1 220px}
.compare{position:relative;border-radius:12px;overflow:hidden;background:#000;--split:50%}
.compare canvas{display:block;width:100%;height:auto}
.compare .cmp-after{position:absolute;inset:0}
.compare::after{content:"";position:absolute;top:0;bottom:0;left:var(--split);width:2px;background:#fff;box-shadow:0 0 10px #000;pointer-events:none}
.compare input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.cmp-l,.cmp-r{position:absolute;top:8px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgba(0,0,0,.6);padding:3px 8px;border-radius:6px;pointer-events:none}
.cmp-l{left:8px}.cmp-r{right:8px}
.opts{border:1px solid var(--line);border-radius:var(--r);padding:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:0}
.opts legend{padding:0 6px;color:var(--mut);font-size:13px}
.opts label{display:grid;gap:6px;font-size:13.5px;color:var(--mut)}
.opts output{color:var(--ink);font-weight:600;margin-left:6px}
.opts label.check{display:flex;gap:8px;align-items:flex-start;color:var(--ink)}
.opts label.check small{display:block;color:var(--mut)}
.opts label.inline input{width:100%}
select,input[type=text],.opts input:not([type]),input[inputmode]{background:var(--bg2);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:9px 10px;font:inherit}
input[type=range]{accent-color:var(--rose);width:100%}
input[type=checkbox]{accent-color:var(--rose);width:18px;height:18px;margin-top:2px}
.progress p{margin:8px 0 0;font-size:14px;font-variant-numeric:tabular-nums}
.hint{font-size:12.5px;color:var(--mut)!important}
.out{display:grid;gap:10px}
.adv{margin-top:18px;color:var(--mut);font-size:14px}.adv summary{cursor:pointer}
.file-lbl{display:grid;gap:6px;margin-top:8px}
.content{max-width:900px;margin:0 auto;padding:10px 18px 40px}
.content h2{font:400 clamp(30px,5vw,44px)/1 'Bebas Neue',sans-serif;letter-spacing:.03em;margin:40px 0 16px}
.steps{padding-left:22px;display:grid;gap:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.grid article{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.grid h3{margin:0 0 6px;font-size:17px}.grid p{margin:0;color:var(--mut);font-size:14.5px}
.content details{border-bottom:1px solid var(--line);padding:12px 0}
.content summary{cursor:pointer;font-weight:600}
.content details p{color:var(--mut);margin:8px 0 0}
.foot{text-align:center;padding:30px 16px 50px;border-top:1px solid var(--line);color:var(--mut)}
.foot .small{font-size:12px}
dialog{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:18px;max-width:420px;padding:22px}
dialog::backdrop{background:rgba(0,0,0,.7)}
#toasts{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);display:grid;gap:8px;z-index:20;width:min(92vw,460px)}
.toast{background:#211d2c;border:1px solid var(--line);border-left:4px solid var(--cyan);padding:11px 14px;border-radius:10px;font-size:14px;transition:opacity .5s,transform .5s}
.toast.ok{border-left-color:var(--lime)}.toast.err{border-left-color:var(--rose)}
.toast.out{opacity:0;transform:translateY(8px)}
[hidden]{display:none!important}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}