@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}nav{align-items:center;gap:.75rem;margin-bottom:1.5rem;display:flex}nav img{width:28px;height:28px}nav a{color:var(--text-secondary);font-size:.9rem;font-weight:500;text-decoration:none}nav a:hover{color:var(--text-primary)}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)}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-top:1rem;display:grid}.card{background:var(--surface);border:1px solid var(--border-subtle);color:inherit;border-radius:8px;padding:1.25rem;text-decoration:none;transition:border-color .15s,box-shadow .15s,background-color .15s;display:block}.card:hover{border-color:var(--border-strong);background:color-mix(in srgb, var(--accent) 8%, var(--surface));box-shadow:0 2px 8px #0000000f}.card h3{margin:0 0 .5rem;font-size:1.1rem;font-weight:600}.card p{color:var(--text-secondary);margin:0;font-size:.9rem}.badge{color:var(--accent);background:#dd45411f;border-radius:4px;margin-top:.75rem;padding:.2em .6em;font-size:.8rem;font-weight:600;display:inline-block}#captcha-widget{min-height:200px;margin:2rem 0}.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}.mode-toggle{gap:1rem;margin:1rem 0;display:flex}.mode-toggle label{cursor:pointer;border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:6px;align-items:center;gap:.4rem;padding:.5rem 1rem;font-size:.9rem;transition:border-color .15s,background-color .15s;display:flex}.mode-toggle label:hover{border-color:var(--border-strong);background:color-mix(in srgb, var(--accent) 8%, var(--surface))}.mode-toggle input:checked+span{color:var(--text-primary);font-weight:600}.mode-toggle label.disabled{opacity:.5;cursor:not-allowed}.mode-toggle label.disabled:hover{border-color:var(--border-subtle);background:0 0}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}