:root{--bg: #f5f7fb;--panel: #ffffff;--panel-2: #f8fafc;--line: #d9e1ee;--text: #0f172a;--muted: #64748b;--blue: #2563eb;--green: #059669;--amber: #d97706;--red: #dc2626}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}button,input,select{font:inherit}input,select{width:100%;height:36px;border:1px solid var(--line);border-radius:6px;padding:0 10px;background:#fff;color:var(--text)}input[type=checkbox]{width:16px;height:16px;padding:0}label{display:grid;gap:6px;color:var(--muted);font-size:12px;font-weight:600}.sbc-shell{min-height:100vh;display:grid;grid-template-columns:264px 1fr}.sbc-sidebar{background:#0b1220;color:#e5edf8;padding:18px 12px;border-right:1px solid #182235}.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border:1px solid #2d6cdf;color:#93c5fd;font-weight:800}.brand strong,.brand span{display:block}.brand span{color:#94a3b8;font-size:11px;margin-top:2px}nav{display:grid;gap:4px}nav button{height:36px;border:0;background:transparent;color:#aebbd0;display:flex;align-items:center;gap:10px;padding:0 10px;text-align:left;cursor:pointer;border-radius:6px}nav button.active,nav button:hover{background:#17243a;color:#fff}.sbc-main{padding:24px;overflow:auto}.sbc-topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}h1,h2{margin:0;letter-spacing:0}h1{font-size:28px}h2{font-size:17px}.eyebrow{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.12em}.status-strip{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.user-box{display:flex;align-items:center;gap:10px;justify-content:flex-end}.user-box strong,.user-box span{display:block;text-align:right}.user-box span{color:var(--muted);font-size:12px;margin-top:2px}.icon-btn{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);background:var(--panel);border-radius:6px;cursor:pointer;color:var(--text)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:12px;margin-bottom:12px}.sbc-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 1px 2px #0f172a0a}.stat-card{padding:14px;min-height:116px;display:flex;flex-direction:column;justify-content:space-between}.stat-card span:first-child{color:var(--muted);font-size:12px}.stat-card strong{font-size:30px}.content-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.9fr);gap:12px;margin-bottom:12px}.content-grid.lower{grid-template-columns:1fr 1fr}.content-grid.single{grid-template-columns:1fr}.chart-card,.table-card{padding:14px}.card-title{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:14px}.sbc-btn{min-height:32px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);padding:0 12px;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}.sbc-btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}.sbc-tag{display:inline-flex;align-items:center;gap:6px;height:24px;border-radius:999px;padding:0 9px;font-size:11px;text-transform:uppercase;color:var(--muted);background:#eef2f7;white-space:nowrap}.sbc-tag i{width:7px;height:7px;border-radius:50%;background:currentColor}.tag-online{color:var(--green);background:#ecfdf5}.tag-warn{color:var(--amber);background:#fffbeb}.tag-info{color:var(--blue);background:#eff6ff}.health-list{display:grid;gap:10px;padding:14px}.health-list.compact{padding:10px 0 0}.health-row{display:grid;grid-template-columns:24px 1fr auto;gap:10px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--panel-2)}.health-row div strong,.health-row div span{display:block}.health-row div span{color:var(--muted);font-size:12px;margin-top:2px}.sbc-table{width:100%;border-collapse:collapse;font-size:13px;display:block;overflow-x:auto}.sbc-table thead,.sbc-table tbody{display:table;width:100%;min-width:760px}.sbc-table th{color:var(--muted);font-weight:600;text-align:left;background:var(--panel-2)}.sbc-table th,.sbc-table td{border-top:1px solid var(--line);padding:10px}.empty-state{min-height:96px;display:grid;place-items:center;border:1px dashed var(--line);border-radius:6px;color:var(--muted);background:var(--panel-2);text-align:center;padding:18px}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:#0b1220}.login-panel{width:min(420px,100%);display:grid;gap:14px;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 18px 60px #00000038}.login-brand{padding:0 0 8px;color:var(--text)}.form-error{margin:0;color:var(--red);font-size:13px}.form-ok{margin:0;color:var(--green);font-size:13px}.stack-form{display:grid;gap:12px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.switch-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.check-row{min-height:34px;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:6px;padding:0 10px;background:var(--panel-2);color:var(--text)}.check-row span{font-size:12px}.agent-grid{display:grid;grid-template-columns:260px 1fr;gap:16px;align-items:start}.agent-state{min-height:220px;display:grid;place-items:center;align-content:center;gap:8px;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);text-align:center}.agent-state span{color:var(--muted);font-size:13px}@media (max-width: 980px){.sbc-shell{grid-template-columns:1fr}.sbc-sidebar{position:static}.stats-grid,.content-grid,.content-grid.lower{grid-template-columns:1fr}.sbc-topbar{flex-direction:column}.agent-grid,.form-grid,.switch-grid{grid-template-columns:1fr}}