:root{color-scheme:dark;--bg:#031b10;--header:#16743c;--card:#102f20;--dark:#082317;--line:#2d6948;--yellow:#ffcc16;--text:#f2f2eb;--muted:#a6c3af;--red:#d5463d;font-family:'Segoe UI',Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 90% 0,#13452955,transparent 42%),var(--bg);color:var(--text);line-height:1.5}header{min-height:90px;background:var(--header);border-bottom:4px solid var(--yellow);display:flex;align-items:center;justify-content:space-between;padding:18px max(24px,calc((100vw - 1380px)/2));gap:24px}.brand{display:flex;gap:12px;align-items:center;color:white;text-decoration:none;font-size:26px;font-weight:800;letter-spacing:-1px}.brand img{width:50px;height:50px}.brand b{color:var(--yellow)}.brand small{display:block;font-size:9px;letter-spacing:3px;line-height:1.3}nav{display:flex;gap:25px;align-items:center}nav a{font-size:13px;color:white;text-decoration:none;font-weight:700}.guide-link{border:1px solid #ffffff66;border-radius:8px;padding:9px 14px}main{max-width:1380px;margin:auto;padding:38px 24px 55px}.page-title{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:34px}.eyebrow{font-size:11px;font-weight:850;letter-spacing:1.6px;color:var(--yellow);margin:0 0 8px}h1{font-size:clamp(30px,3.4vw,46px);line-height:1.15;letter-spacing:-1.7px;margin:0 0 12px}h1 em{font-style:normal;color:var(--yellow)}h2{font-size:28px;letter-spacing:-.7px;margin:0 0 14px;line-height:1.25}h3{font-size:18px;margin:0 0 12px}p{color:var(--muted);margin:10px 0 18px}a{color:var(--yellow);text-underline-offset:3px}.badge,.chip{font-size:11px;font-weight:750;color:#b5efca;border:1px solid var(--line);padding:7px 12px;border-radius:20px;white-space:nowrap;background:#123a27}.workspace{display:grid;grid-template-columns:250px minmax(0,1fr);gap:30px}aside{align-self:start;position:sticky;top:20px}.steps{display:grid;gap:7px;margin-top:18px}.steps 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.15s}button:hover,.upload:hover{background:#24593a}button.primary{background:var(--yellow);border-color:var(--yellow);color:#112318}button.primary:hover{background:#ffe16a}button:disabled{opacity:.5;cursor:wait}button.quiet{background:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ffe87b;outline-offset:3px}.upload{display:block;text-align:center;color:var(--yellow);border-style:dashed;margin:12px 0}.upload input{font-size:11px;border:0;background:transparent;padding:4px;min-height:0}.help{font-size:11px;line-height:1.6;margin:8px 0 16px}.actions{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}.note{display:flex;gap:14px;font-size:12px;border-left:3px solid var(--yellow);background:#153b2766;border-radius:4px;padding:15px;margin:8px 0 22px;color:var(--muted)}.note b{color:var(--yellow);white-space:nowrap}.preview-panel{margin-top:22px;border:1px solid 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