@font-face{font-family:Montserrat;src:url(/fonts/Montserrat-VariableFont_wght.ttf)format("truetype");font-weight:100 900;font-display:swap}:root{--bg:#fff;--surface:#fff;--text-primary:#172031;--text-secondary:#444b5b;--text-muted:#94a3b8;--accent:#dd4541;--border-subtle:#94a3b866;--border-strong:#444b5b59}@media (prefers-color-scheme:dark){:root{--bg:#172031;--surface:#262f41;--text-primary:#fff;--text-secondary:#94a3b8;--text-muted:#94a3b8b3;--accent:#dd4541;--border-subtle:#444b5bb3;--border-strong:#94a3b866}}*,:before,:after{box-sizing:border-box}body{color:var(--text-primary);background:var(--bg);margin:0;padding:0;font-family:Montserrat,sans-serif;font-weight:400;line-height:1.6}main{max-width:800px;margin:0 auto;padding:2rem 1rem}.logo-light{display:block}.logo-dark{display:none}@media (prefers-color-scheme:dark){.logo-light{display:none}.logo-dark{display:block}}.brand-header{flex-direction:column;align-items:center;gap:.75rem;margin-bottom:2.5rem;display:flex}.brand-header img{width:80px;height:80px}.wordmark{letter-spacing:0;font-family:Montserrat,sans-serif;font-size:2rem;font-weight:700}.wordmark .naught{color:var(--accent)}.tagline{letter-spacing:1.2px;color:var(--text-secondary);text-transform:uppercase;font-family:Montserrat,sans-serif;font-size:12px;font-weight:300}h1{margin-bottom:.5rem;font-size:1.75rem;font-weight:700}h2{color:var(--text-secondary);margin-top:2rem;font-size:1.25rem;font-weight:600}code{background:var(--surface);border:1px solid var(--border-subtle);border-radius:3px;padding:.15em .35em;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.9em}main>p{color:var(--text-secondary)}.captcha-controls{flex-wrap:wrap;align-items:center;gap:.75rem;margin:2rem 0 1rem;display:flex}.mode-select{color:var(--text-secondary);align-items:center;gap:.5rem;font-size:.85rem;font-weight:600;display:inline-flex}.mode-select select{border:1px solid var(--border-subtle);background:var(--surface);min-height:36px;color:var(--text-primary);border-radius:999px;padding:.35rem .8rem}#captcha-host{min-height:88px;margin-bottom:1rem}.status-pill{border:1px solid var(--border-subtle);min-height:36px;color:var(--text-secondary);background:color-mix(in srgb, var(--surface) 85%, transparent);border-radius:999px;align-items:center;padding:.4rem .75rem;font-size:.85rem;font-weight:600;display:inline-flex}.debug-panel{border:1px solid var(--border-subtle);background:color-mix(in srgb, var(--surface) 92%, transparent);border-radius:16px;margin-top:2rem;padding:1rem}.debug-panel-header{justify-content:space-between;align-items:center;gap:1rem;display:flex}.debug-panel-header h2{margin:0}#clear-debug-btn{min-height:36px;color:var(--text-secondary);border:1px solid var(--border-subtle);background:0 0;padding:.5rem .9rem}#debug-log{color:#e2e8f0;white-space:pre-wrap;word-break:break-word;background:#172031eb;border-radius:12px;min-height:220px;max-height:320px;margin:1rem 0 0;padding:1rem;font-size:.8rem;line-height:1.5;overflow:auto}@media (prefers-color-scheme:dark){#debug-log{background:#0b1220eb}}.result{border:1px solid var(--border-subtle);border-radius:8px;margin-top:1.5rem;padding:1rem}.result.success{color:#2e7d32;background:#2e7d321a;border-color:#2e7d3266}.result.error{color:var(--accent);background:#dd45411a;border-color:#dd454166}@media (prefers-color-scheme:dark){.result.success{color:#81c784}.result.error{color:#ef9a9a}}.result pre{white-space:pre-wrap;margin:.5rem 0 0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.85rem}button,.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;min-height:44px;padding:.75rem 1.5rem;font-family:Montserrat,sans-serif;font-size:.95rem;font-weight:600;transition:opacity .15s}button:hover,.btn-primary:hover{opacity:.9}button:disabled,.btn-primary:disabled{opacity:.6;cursor:not-allowed}@media (width<=640px){.captcha-controls{flex-direction:column;align-items:stretch}.status-pill{justify-content:center}.debug-panel-header{flex-direction:column;align-items:stretch}}