:root{--bg: #0f1419;--surface: #1a2332;--border: #2d3a4f;--text: #e7ecf3;--muted: #8b9cb3;--accent: #3b82f6;--success: #22c55e;--warn: #f59e0b;--danger: #ef4444;font-family:SF Pro Text,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}a{color:var(--accent)}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:1.5rem 1rem}.sidebar h1{font-size:1rem;margin:0 0 1.5rem;letter-spacing:.02em}.sidebar nav a{display:block;padding:.5rem .75rem;color:var(--muted);text-decoration:none;border-radius:6px;margin-bottom:.25rem}.sidebar nav a.active,.sidebar nav a:hover{background:#3b82f626;color:var(--text)}.main{padding:2rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:1rem}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.75rem;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500;font-size:.85rem}.badge{display:inline-block;padding:.15rem .5rem;border-radius:4px;font-size:.75rem}.badge-healthy{background:#22c55e33;color:var(--success)}.badge-error{background:#ef444433;color:var(--danger)}.badge-queued{background:#f59e0b33;color:var(--warn)}button,.btn{background:var(--accent);color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}input,select,textarea{width:100%;padding:.5rem .75rem;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:var(--text);margin-bottom:.75rem}.form-row{max-width:420px}.login-page{max-width:400px;margin:4rem auto}.actions{display:flex;gap:.5rem;flex-wrap:wrap}.chart-bar{display:flex;align-items:flex-end;gap:4px;height:120px;margin-top:1rem}.chart-bar span{flex:1;background:var(--accent);border-radius:3px 3px 0 0;min-height:4px}