:root{--bg: #f4f5f7;--surface: #ffffff;--border: #e3e5e8;--text: #1c1e21;--text-dim: #667085;--accent: #2563eb;--accent-hover: #1d4ed8;--danger: #dc2626;--ok: #16a34a;--warn: #d97706;--sidebar-bg: #111827;--sidebar-text: #9ca3af;--sidebar-active: #1f2937;--radius: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.45}button{font:inherit}input,select,textarea{font:inherit;color:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar .brand{padding:20px 18px 14px;color:#fff;font-weight:700;font-size:15px;letter-spacing:.2px;border-bottom:1px solid #1f2937}.sidebar .brand small{display:block;font-weight:400;color:var(--sidebar-text);font-size:11px;margin-top:2px}.sidebar nav{padding:10px 8px;display:flex;flex-direction:column;gap:2px;flex:1}.sidebar nav a{display:block;padding:9px 12px;border-radius:6px;color:var(--sidebar-text);text-decoration:none;font-weight:500}.sidebar nav a:hover{background:var(--sidebar-active);color:#e5e7eb}.sidebar nav a.active{background:var(--sidebar-active);color:#fff}.sidebar .foot{padding:14px 16px;border-top:1px solid #1f2937;font-size:12px}.sidebar .foot .who{color:#e5e7eb;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis}.sidebar .foot button{width:100%;background:none;border:1px solid #374151;color:var(--sidebar-text);border-radius:6px;padding:6px 0;cursor:pointer}.sidebar .foot button:hover{color:#fff;border-color:#6b7280}.main{flex:1;padding:28px 32px;max-width:1200px}.page-loader{padding:60px;text-align:center;color:var(--text-dim)}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px;flex-wrap:wrap}.page-head h1{margin:0;font-size:20px}.page-head .crumbs{font-size:13px;color:var(--text-dim);margin-bottom:4px}.page-head .crumbs a{color:var(--accent);text-decoration:none}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:20px}.card .card-title{padding:14px 16px;font-weight:600;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 16px;border-bottom:1px solid var(--border);vertical-align:middle}th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--text-dim);font-weight:600;background:#fafbfc}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#f8fafc}td.actions{text-align:right;white-space:nowrap}.empty{padding:28px 16px;text-align:center;color:var(--text-dim)}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:6px;padding:7px 14px;font-weight:500;cursor:pointer;background:var(--accent);color:#fff}.btn:hover{background:var(--accent-hover)}.btn:disabled{opacity:.6;cursor:default}.btn.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn.secondary:hover{background:#f1f3f5}.btn.danger{background:var(--surface);color:var(--danger);border-color:var(--border)}.btn.danger:hover{background:#fef2f2;border-color:#fca5a5}.btn.sm{padding:4px 10px;font-size:13px}.btn.link{background:none;border:none;color:var(--accent);padding:4px 6px}.btn.link:hover{text-decoration:underline;background:none}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge.ok{background:#dcfce7;color:#15803d}.badge.off{background:#f3f4f6;color:#6b7280}.badge.warn{background:#fef3c7;color:#b45309}.badge.role{background:#ede9fe;color:#6d28d9}.badge.none{background:#fee2e2;color:#b91c1c}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.dot.on{background:var(--ok)}.dot.idle{background:var(--warn)}.dot.off{background:#d1d5db}.field{margin-bottom:14px}.field label{display:block;font-weight:600;font-size:13px;margin-bottom:5px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:6px;padding:8px 10px;background:#fff}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #bfdbfe;border-color:var(--accent)}.field .hint{font-size:12px;color:var(--text-dim);margin-top:4px}.form-row{display:flex;gap:12px}.form-row .field{flex:1}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:flex-start;justify-content:center;padding:8vh 16px;z-index:50}.modal{background:var(--surface);border-radius:10px;width:100%;max-width:480px;box-shadow:0 20px 50px #00000040}.modal .modal-head{padding:16px 20px;font-weight:600;font-size:16px;border-bottom:1px solid var(--border)}.modal .modal-body{padding:20px}.modal .modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.alert{border-radius:6px;padding:10px 12px;margin-bottom:14px;font-size:13px}.alert.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.alert.success{background:#f0fdf4;color:#15803d;border:1px solid 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