:root{color-scheme:light;--ink:#111827;--muted:#5b6472;--line:#d8dde6;--panel:#fff;--bg:#f5f7fb;--accent:#0f766e;--accent-dark:#115e59;--warn:#b45309;--bad:#b91c1c;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}.shell{width:min(1480px,100%);margin:0 auto;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}h1{margin:0;font-size:30px;letter-spacing:0}h2{margin:0 0 12px;font-size:16px}p{margin:0}.topbar p,.hint{color:var(--muted);font-size:14px}.workspace{display:grid;grid-template-columns:minmax(360px,.9fr) minmax(480px,1.1fr);gap:18px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:0 12px 32px #0f172a12}.input-panel{display:grid;gap:18px}.label{display:block;font-weight:700;margin-bottom:8px}.drop-zone{display:grid;place-items:center;gap:8px;min-height:240px;border:2px dashed #aeb8c8;border-radius:8px;background:#fbfcfe;text-align:center;padding:20px;cursor:pointer}.drop-zone.dragover,.drop-zone:focus{outline:3px solid rgba(15,118,110,.22);border-color:var(--accent)}.drop-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#e6f4f1;color:var(--accent-dark);font-size:28px;line-height:1}.url-input{width:100%;border:1px solid var(--line);border-radius:8px;padding:13px 14px}.preset-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.preset-row label{border:1px solid var(--line);border-radius:8px;padding:12px;cursor:pointer;display:grid;gap:5px}.preset-row span{font-weight:700}.preset-row small{color:var(--muted);line-height:1.35}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}button{border:0;border-radius:8px;padding:11px 15px;cursor:pointer;min-height:42px}button:disabled{opacity:.48;cursor:not-allowed}.primary{background:var(--accent);color:#fff;font-weight:800}.primary:hover:not(:disabled){background:var(--accent-dark)}.secondary,.ghost{background:#e9edf3;color:#172033}.ghost{background:transparent;border:1px solid var(--line)}.danger{background:#fee2e2;color:var(--bad);border:1px solid #fecaca}.advanced{border-top:1px solid var(--line);padding-top:8px}.advanced summary{cursor:pointer;font-weight:800;padding:8px 0}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}.settings-grid label{display:grid;gap:5px;color:#1f2937;font-size:13px}.settings-grid input,.settings-grid select{width:100%;border:1px solid var(--line);border-radius:6px;padding:8px}.warning{color:var(--warn);font-size:13px;margin:10px 0}.output-panel{display:grid;gap:16px}.preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}canvas{width:100%;aspect-ratio:1;border:1px solid var(--line);border-radius:8px;background:#fff;image-rendering:pixelated}.progress-wrap{display:grid;gap:8px}.progress{height:10px;border-radius:999px;overflow:hidden;background:#dce3ec}.progress span{display:block;width:0;height:100%;background:var(--accent);transition:width .16s ease}.verification{border:1px solid var(--line);border-radius:8px;padding:14px;display:grid;gap:6px}.verification.verified{background:#ecfdf5;border-color:#86efac}.verification.limited{background:#fffbeb;border-color:#fcd34d}.verification.failed{background:#fef2f2;border-color:#fca5a5}.history-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.history-item{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.history-item img{width:100%;display:block;aspect-ratio:1;object-fit:cover}.history-item div{padding:8px;font-size:12px;color:var(--muted);overflow-wrap:anywhere}.scanner video{width:min(420px,100%);border-radius:8px;border:1px solid var(--line)}@media(max-width:900px){.shell{padding:14px}.workspace,.preview-grid,.preset-row,.settings-grid{grid-template-columns:1fr}.topbar{align-items:flex-start}}