:root{--bg:#f6f7f9;--card:#ffffff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--accent:#4f46e5;--ok:#047857;--warn:#b45309;--danger:#b91c1c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:760px;margin:0 auto;padding:32px 16px 64px}h1{font-size:24px;margin:0 0 4px}h2{font-size:17px}h2,p{margin:0 0 12px}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-top:16px}label{display:block;font-weight:600;margin:12px 0 6px}input,select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit}.button,button{display:inline-block;margin-top:16px;padding:10px 16px;border:0;border-radius:8px;background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}button.secondary{background:transparent;color:var(--danger);border:1px solid var(--border);margin-left:8px}button:disabled{opacity:.6;cursor:default}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:13px;font-weight:600}.badge.ok{background:#d1fae5;color:var(--ok)}.badge.off{background:#f3f4f6;color:var(--muted)}.error{color:var(--danger);margin-top:8px}.success{color:var(--ok);margin-top:8px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--border)}.warning{color:var(--warn);margin-top:8px}.brand{display:flex;align-items:center;gap:16px;margin-bottom:4px;flex-wrap:wrap}.brand img{display:block;height:auto}ul{margin:0 0 12px;padding-left:20px}li{margin-bottom:4px}.footer{margin-top:16px;font-size:14px}a{color:var(--accent)}