@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#0a1020;--panel:#131e35;--panel2:#17243e;--edge:#2b3b58;--text:#eef3ff;--muted:#a5b4cc;--brand:#6ca6ff;--ok:#54d6aa;--bad:#ff8498;font-family:'DM Sans',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}body{background:radial-gradient(ellipse 55% 40% at 17% 0%,#233a7280,transparent),radial-gradient(ellipse 45% 40% at 100% 24%,#42316f44,transparent),#0a1020}button,input{font:inherit}button{cursor:pointer}a{color:#a6caff}button:disabled{opacity:.5;cursor:not-allowed}.shell{width:min(1200px,calc(100% - 32px));margin:auto;min-height:100vh;display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:21px 0 24px;border-bottom:1px solid #ffffff18}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-weight:800;font-size:17px;letter-spacing:.01em}.logo{display:grid;place-items:center;width:45px;height:45px;background:linear-gradient(135deg,#5f9dff,#8666f4);border-radius:14px;box-shadow:0 7px 25px #4b77ed46;font-size:23px}.brand small{display:block;font-size:10px;letter-spacing:.18em;font-weight:700;color:var(--muted);margin-top:3px}.nav{display:flex;gap:8px;flex-wrap:wrap}.btn,.nav a,.tool{border:1px solid var(--edge);color:var(--text);background:#1b2942;border-radius:13px;padding:11px 15px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.15s;font-weight:700;font-size:14px}.btn:hover,.nav a:hover,.tool:hover{background:#284063;border-color:#6382b4}.btn.primary{background:linear-gradient(120deg,#397eeb,#755be9);border-color:#6598fe;box-shadow:0 9px 25px #3368bd35}.btn.primary:hover{filter:brightness(1.12)}.btn.ghost{background:transparent}.btn.danger{border-color:#774354;color:#ffd0d6}.btn.full{width:100%}.btn.big{padding:16px 18px;font-size:16px}.nav a.current{background:#304c79;color:#fff;border-color:#648be1}main{flex:1;padding:40px 0}.footer{font-size:12px;color:#93a4c0;text-align:center;padding:24px;border-top:1px solid #ffffff18;margin-top:30px}.kicker{font-size:12px;letter-spacing:.2em;color:#94bcff;text-transform:uppercase;font-weight:800}.hero{display:grid;grid-template-columns:1fr 410px;align-items:center;gap:40px;padding:35px 0 42px}.hero h1{font-size:clamp(36px,5vw,64px);line-height:1.07;letter-spacing:-.05em;margin:16px 0 24px;max-width:700px}.hero h1 em{font-style:normal;color:#91b7ff}.lead{font-size:18px;line-height:1.7;color:var(--muted);max-width:590px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.panel{background:linear-gradient(155deg,#182640f0,#121b30f5);border:1px solid var(--edge);border-radius:24px;padding:25px;box-shadow:0 18px 55px #01050d40}.panel.soft{background:#15223b}.mock-screen{background:#0d1830;padding:22px;border-radius:18px;border:1px solid #39547c;min-height:270px;display:grid;place-items:center;text-align:center}.mock-qr{background:#fff;color:#1d3154;display:grid;place-items:center;width:150px;height:150px;margin:0 auto 13px;border-radius:12px;font-size:50px}.mock-bar{height:8px;border-radius:10px;background:#2a4267;width:70%;margin:17px auto 0}.mock-bar::after{content:'';display:block;width:44%;height:8px;border-radius:10px;background:#73a7fc}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:12px 0}.feature h3,.panel h3{margin:8px 0}.feature p{color:var(--muted);line-height:1.6;margin:10px 0}.feature{padding:22px;background:#ffffff08;border:1px solid #ffffff1a;border-radius:20px}.iconbig{font-size:28px}.title{font-size:clamp(26px,4vw,40px);letter-spacing:-.03em;margin:10px 0}.sub{color:var(--muted);line-height:1.65;margin:8px 0 24px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}.column{display:flex;flex-direction:column;gap:16px}.layout{display:grid;grid-template-columns:330px minmax(0,1fr);gap:18px;align-items:start}.small{font-size:13px;color:var(--muted)}.muted{color:var(--muted)}.status{padding:10px 13px;border-radius:12px;background:#25476d65;border:1px solid #4c689c70;font-size:13px;color:#c2d9fd;line-height:1.5}.status.warn{background:#5b3d2466;border-color:#9a704e;color:#ffdcaf}.status.ok{background:#16473c77;border-color:#348a75;color:#baf4df}.status.bad{background:#5f293666;border-color:#ba5265;color:#ffd0d9}.qr{width:245px;max-width:100%;min-height:245px;background:#fff;padding:14px;margin:18px auto;display:grid;place-items:center;border-radius:17px;color:#111827;text-align:center}.qr canvas,.qr img{max-width:100%;height:auto}.filelist{display:flex;flex-direction:column;gap:9px;margin-top:14px}.fileitem{display:flex;align-items:center;gap:12px;background:#0d1930a5;border:1px solid #344361;border-radius:14px;padding:12px}.fileitem .meta{flex:1;min-width:0}.fileitem strong{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-size:14px}.fileitem span{display:block;color:var(--muted);font-size:12px;margin-top:5px}.fileitem button{flex-shrink:0}.filepill{background:#31466c;border-radius:12px;padding:9px;font-size:22px}.empty{text-align:center;color:var(--muted);border:1px dashed #496084;border-radius:16px;padding:24px 16px;line-height:1.7}.field{width:100%;padding:14px;background:#0b1528;color:#eaf1ff;border-radius:12px;border:1px solid #415375;outline:none}.field:focus{border-color:#7daaff}.label{display:block;font-size:13px;color:#b7c9ea;margin:0 0 7px}.upload-options{display:grid;gap:12px;grid-template-columns:1fr}.upload-box{display:block;border:1px dashed #5c84b8;background:#16294466;padding:20px;border-radius:18px;cursor:pointer}.upload-box:hover{background:#25447488}.upload-box strong{display:block;margin:5px 0 6px}.upload-box p{color:var(--muted);font-size:13px;margin:0}.upload-box input{position:absolute;width:1px;height:1px;opacity:0}.split{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}.viewer{margin-top:20px;background:#0c1427;border:1px solid #364969;border-radius:20px;overflow:hidden}.viewer-head{padding:15px 18px;background:#162541;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.viewer-head strong{flex:1;min-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tools{display:flex;align-items:center;gap:7px;padding:12px;background:#17223b;flex-wrap:wrap;border-top:1px solid #2b3f62}.tool{padding:8px 11px;font-size:12px;border-radius:10px}.tool.active{background:#3f64a2;border-color:#92b4ff}.color{width:27px;height:27px;border-radius:50%;border:2px solid #ffffff8c;padding:0}.color.active{outline:2px solid #fff;outline-offset:2px}.viewer-content{min-height:320px;max-height:72vh;overflow:auto;padding:20px;display:grid;place-items:start center;background:radial-gradient(#ffffff11 1px,transparent 1px),#111827;background-size:17px 17px}.pagewrap{display:inline-grid;position:relative;max-width:none;box-shadow:0 12px 45px #0009;background:white;line-height:0}.pagewrap canvas{grid-area:1/1;display:block}.pagewrap .ink{position:relative;touch-action:none;cursor:crosshair}.viewer-footer{padding:12px 16px;background:#162541;color:var(--muted);font-size:12px}.spacer{flex:1}.hidden{display:none!important}.loading{opacity:.7}.code{font-weight:800;letter-spacing:.2em;font-size:23px;color:#c0e4ff;background:#0b1831;border:1px dashed #5884bc;padding:17px;text-align:center;border-radius:14px;overflow-wrap:anywhere}.callout{padding:18px 20px;background:#1d2d49;border:1px solid #425f89;border-radius:14px}.small hr{border:0;border-top:1px solid #384965}.toast{position:fixed;right:18px;bottom:20px;padding:15px 20px;border-radius:15px;background:#28446d;box-shadow:0 15px 40px #0009;border:1px solid #7d9ed2;z-index:200;max-width:min(400px,90vw)}@media(max-width:960px){.hero{grid-template-columns:1fr}.hero .panel{max-width:550px}.layout{grid-template-columns:1fr}.features{grid-template-columns:1fr 1fr}}@media(max-width:600px){.header{align-items:flex-start;flex-direction:column}.nav{width:100%}.nav a{flex:1;padding:10px 8px}.shell{width:calc(100% - 24px)}main{padding:24px 0}.panel{padding:18px;border-radius:18px}.features,.split{grid-template-columns:1fr}.hero{padding:10px 0 25px}.hero h1{font-size:38px}.hero .panel{padding:15px}.btn{padding:10px 12px}.viewer-content{padding:8px}.qr{width:220px;min-height:220px}}