:root{--bg:#f6f5fa;--surface:#fff;--text:#1c1a24;--muted:#625d72;--border:#dcd8e6;--accent:#6c3ce0;--accent-text:#fff;--danger:#c0392b;--checker-a:#e9e7ef;--checker-b:#fff;--radius:12px}@media (prefers-color-scheme:dark){:root{--bg:#121117;--surface:#1c1b23;--text:#ecebf2;--muted:#a19cb2;--border:#312f3c;--accent:#9b72ff;--accent-text:#0f0d14;--danger:#ff7a6b;--checker-a:#2a2833;--checker-b:#1f1e27}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}main,.site-header,.site-footer{max-width:880px;margin:0 auto;padding:0 16px}.site-header{padding-top:40px;padding-bottom:8px}.site-header h1{letter-spacing:-.02em;margin:0 0 4px;font-size:1.9rem}.tagline{color:var(--muted);margin:0}.site-footer{color:var(--muted);padding-top:32px;padding-bottom:32px;font-size:.85rem}h2{margin:0;font-size:1.15rem}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:24px 0;padding:20px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;flex-direction:column;align-items:center;gap:4px;padding:40px 16px;transition:border-color .15s,background-color .15s;display:flex}.dropzone.dragging{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent)}.upload-btn{margin-bottom:8px;padding:12px 28px;font-size:1.1rem}.dropzone-hint{color:var(--muted);font-size:.9rem}button,.button,select{font:inherit;border-radius:8px}button,.button{border:1px solid var(--accent);background:var(--accent);color:var(--accent-text);cursor:pointer;padding:8px 16px;font-weight:600;text-decoration:none;display:inline-block}button.secondary{color:var(--text);border-color:var(--border);background:0 0}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,.button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}select{border:1px solid var(--border);background:var(--bg);color:var(--text);min-width:0;padding:8px 10px}.options{border-top:1px solid var(--border);margin-top:20px;padding-top:12px}.options summary{cursor:pointer;font-weight:600}.options-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin:16px 0;display:grid}.field{border:0;flex-direction:column;gap:6px;min-width:0;margin:0;padding:0;display:flex}.field label,.field legend{margin-bottom:6px;padding:0;font-size:.9rem;font-weight:600}.field small{color:var(--muted);font-size:.8rem}.field input[type=range]{accent-color:var(--accent)}.anchor-grid{border:1px solid var(--border);border-radius:8px;grid-template-columns:repeat(3,28px);gap:4px;width:max-content;padding:6px;display:grid}.anchor-grid input{appearance:none;background:var(--checker-a);cursor:pointer;border-radius:6px;width:28px;height:28px;margin:0}.anchor-grid input:checked{background:var(--accent)}.warning{border:1px solid var(--danger);color:var(--danger);border-radius:var(--radius);padding:12px 16px}.results-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.empty{color:var(--muted)}.results{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.result{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:20px;padding:16px;display:flex}.result.error{border-color:var(--danger)}.result.error .result-status{color:var(--danger)}.previews{align-items:center;gap:12px;display:flex}.previews figure{flex-direction:column;align-items:center;gap:6px;margin:0;display:flex}.previews figcaption{color:var(--muted);text-align:center;width:128px;font-size:.75rem}.arrow{color:var(--muted);font-size:1.4rem}.checker{background:repeating-conic-gradient(var(--checker-a) 0 25%, var(--checker-b) 0 50%) 0 0 / 16px 16px;outline:1px solid var(--border);border-radius:8px;place-items:center;width:128px;height:128px;display:grid;position:relative;overflow:hidden}.checker img{object-fit:contain;width:100%;height:100%;position:absolute;inset:0}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin;display:none}.result.busy .spinner{display:block}@keyframes spin{to{transform:rotate(360deg)}}.result-meta{flex-direction:column;flex:1;gap:8px;min-width:200px;display:flex}.result-name{word-break:break-all;margin:0;font-weight:600}.result-status{color:var(--muted);margin:0;font-size:.9rem}.result-progress{width:100%;accent-color:var(--accent)}.result-actions{flex-wrap:wrap;gap:8px;display:flex}[hidden]{display:none!important}@media (max-width:480px){.checker,.previews figcaption{width:104px}.checker{height:104px}.previews{justify-content:center;width:100%}}