:root{--bg: #f4f6f6;--surface: #ffffff;--border: #d9e0e0;--primary: #002f34;--primary-soft: #e1efee;--text: #002f34;--muted: #5a6b6b;--danger: #e5484d;--success: #138a57}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--primary);color:#fff;padding:20px 12px}.sidebar h1{font-size:16px;margin:0 0 20px 8px}.sidebar a{display:block;color:#cfe0df;padding:10px 12px;border-radius:8px;margin-bottom:2px}.sidebar a.active{background:#ffffff1f;color:#fff}.main{padding:24px 28px;overflow:auto}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{display:flex;justify-content:space-between;align-items:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:14px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}.stat{font-size:30px;font-weight:700}.label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.muted{color:var(--muted)}.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary)}button{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--primary);background:var(--primary);color:#fff;cursor:pointer}button.ghost{background:transparent;color:var(--primary)}button:disabled{opacity:.5;cursor:default}input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text)}label.field{display:block;margin-bottom:10px}label.field span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-size:14px}.center{display:flex;align-items:center;justify-content:center;min-height:100vh}.login{width:320px}.err{color:var(--danger);font-size:14px}.admin-badge{display:inline-block;font-size:11px;font-weight:600;padding:4px 10px;border-radius:999px;background:#138a57;color:#fff;margin:0 8px 16px;letter-spacing:.02em}.grid-5{grid-template-columns:repeat(5,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 900px){.grid-5,.grid-4{grid-template-columns:repeat(2,1fr)}}.stat-box{text-align:center}.stat-unit{font-size:14px;font-weight:400;color:var(--muted);margin-left:2px}.monitor-card{padding:16px 20px;margin-bottom:16px}.monitor-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.monitor-card-title{font-size:15px;font-weight:600}.monitor-card-stats{font-size:12px;color:var(--muted)}.monitor-card-stats b{color:var(--text);font-weight:600}.chart-container{position:relative;overflow:hidden}.chart-x-axis{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);padding:4px 0 0}.toggle-group{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.toggle-group button{border:none;background:transparent;padding:6px 14px;font-size:13px;cursor:pointer;color:var(--muted)}.toggle-group button.active{background:var(--primary);color:#fff}.icon-btn{border:1px solid var(--border);background:transparent;border-radius:8px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px}.service-table{width:100%;border-collapse:collapse;font-size:14px}.service-table th{text-align:left;padding:10px 16px;border-bottom:1px solid var(--border);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.service-table td{padding:8px 16px;border-bottom:1px solid var(--border)}.service-table td:nth-child(2),.service-table td:nth-child(3),.service-table th:nth-child(2),.service-table th:nth-child(3){text-align:right}.err-text{color:var(--danger);font-weight:600}