:root{color-scheme:light dark;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;--bg: #0f172a;--card: #1e293b;--text: #f8fafc;--muted: #94a3b8;--accent: #6366f1;--accent-hover: #4f46e5;--border: #334155;--success: #22c55e;--error: #ef4444}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}a{color:var(--accent)}.container{max-width:720px;margin:0 auto;padding:1.5rem}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem;margin-bottom:1rem}h1,h2,h3{margin-top:0}label{display:block;margin-bottom:.35rem;color:var(--muted);font-size:.9rem}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;padding:.6rem .75rem;border-radius:8px;border:1px solid var(--border);background:#0b1220;color:var(--text);margin-bottom:.75rem}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:.65rem 1rem;cursor:pointer}button:hover{background:var(--accent-hover)}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}button:disabled{opacity:.6;cursor:not-allowed}.row{display:flex;gap:.75rem;flex-wrap:wrap}.row>*{flex:1}.status{padding:.75rem;border-radius:8px;font-size:.9rem}.status.ok{background:#22c55e26;color:var(--success)}.status.error{background:#ef444426;color:var(--error)}.nav{display:flex;gap:1rem;margin-bottom:1.5rem}.nav a{text-decoration:none;color:var(--muted)}.nav a.active{color:var(--text);font-weight:600}.hint{color:var(--muted);font-size:.85rem}table{width:100%;border-collapse:collapse;font-size:.85rem}th,td{text-align:left;padding:.5rem;border-bottom:1px solid var(--border)}