:root{--navy:#12375d;--navy2:#0d2c4a;--bg:#f5f6f8;--surface:#fff;--ink:#1f2329;--muted:#6b7280;--line:#e5e7eb;--green:#18794e;--green-bg:#e9f7ef;--red:#b42318;--red-bg:#fdeceb;--amber:#9a6200;--amber-bg:#fff5df;--blue-bg:#edf3f9}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button{cursor:pointer}.sidebar{position:fixed;inset:0 auto 0 0;width:204px;background:var(--navy);color:#fff;display:flex;flex-direction:column;z-index:10}.logo{padding:20px;border-bottom:1px solid #ffffff1f}.logo strong{display:block;font-size:16px}.logo span{display:block;color:#ffffff9e;font-size:12px}.nav{padding:10px 0;display:flex;flex-direction:column}.nav-btn{min-height:42px;padding:10px 18px;border:0;border-left:3px solid transparent;background:transparent;color:#ffffffb8;text-align:left}.nav-btn.on{background:#ffffff21;border-left-color:#fff;color:#fff}.side-foot{margin-top:auto;padding:14px 18px;border-top:1px solid #ffffff1f;color:#ffffff9e;font-size:12px}.shell{margin-left:204px;min-height:100vh}.topbar{height:56px;padding:0 22px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:8}.topbar h1{margin:0;font-size:17px}.top-actions{display:flex;align-items:center;gap:12px}.main{max-width:1540px;margin:auto;padding:18px 20px 30px}.status-strip{display:flex;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:14px}.status-item{min-width:130px;flex:1;padding:12px 18px;border-right:1px solid var(--line)}.status-item:last-child{border:0}.status-item span{display:block;color:var(--muted);font-size:12px}.status-item b{display:block;font-size:20px}.card{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:14px}.card-head{min-height:48px;padding:11px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}.card-head h2{margin:0;font-size:14px}.toolbar{display:flex;gap:9px;flex-wrap:wrap}input,select{min-height:36px;padding:6px 10px;border:1px solid #cfd5dc;border-radius:6px;background:#fff;color:var(--ink)}.search{width:240px}.btn{min-height:36px;padding:6px 14px;border:1px solid var(--navy);border-radius:6px;background:var(--navy);color:#fff}.btn:hover{background:var(--navy2)}.btn.ghost{background:#fff;color:var(--navy);border-color:#b9c6d2}.btn.small{min-height:30px;padding:4px 10px;font-size:12px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;border-bottom:1px solid #eef0f2;text-align:left;vertical-align:middle}th{background:#fafbfc;color:var(--muted);font-size:12px;font-weight:500;white-space:nowrap}td{font-size:13px}tbody tr:last-child td{border:0}.sub{color:var(--muted);font-size:12px}.device-name{font-weight:600}.pill{display:inline-flex;padding:2px 8px;border-radius:4px;background:#eef1f4;color:#4b5563;font-size:12px;white-space:nowrap}.pill.ok{background:var(--green-bg);color:var(--green)}.pill.bad{background:var(--red-bg);color:var(--red)}.pill.warn{background:var(--amber-bg);color:var(--amber)}.pill.info{background:var(--blue-bg);color:var(--navy)}.empty{text-align:center;color:var(--muted);padding:28px}.notice{padding:10px 12px;border:1px solid #ead9aa;border-radius:6px;background:#fff9e9;color:#755410}.notice.plain{border-color:var(--line);background:#fafbfc;color:var(--muted)}.error-banner{padding:10px 14px;margin-bottom:14px;background:var(--red-bg);color:var(--red);border:1px solid #e2aca7;border-radius:7px}.drawer-mask{position:fixed;inset:0;background:#0f172a42;z-index:30}.drawer{position:fixed;top:0;right:0;bottom:0;width:min(600px,94vw);background:var(--bg);z-index:31;box-shadow:-8px 0 30px #0f172a29;overflow:auto}.drawer-head{padding:17px 20px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.drawer-head h2{margin:0;font-size:18px}.drawer-body{padding:16px}.icon-btn{width:34px;height:34px;border:1px solid var(--line);background:#fff;border-radius:6px}.health-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.health-cell{padding:10px;background:#fff;border:1px solid var(--line);border-radius:6px}.health-cell span.label{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.detail-card{padding:14px;margin-top:12px;background:#fff;border:1px solid var(--line);border-radius:8px}.detail-card h3{margin:0 0 10px;font-size:14px}.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 12px}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}.modal-mask{position:fixed;inset:0;background:#0f172a61;z-index:40;display:flex;align-items:center;justify-content:center;padding:18px}.modal{width:min(500px,100%);background:#fff;border-radius:9px}.modal-head{padding:16px 18px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600}.modal-body{padding:16px 18px}.modal-body label{display:block;margin-bottom:12px}.modal-body label input,.modal-body label select{width:100%;margin-top:5px}.modal-foot{padding:12px 0 0;display:flex;justify-content:flex-end;gap:8px}.code-box{width:100%;font-family:Consolas,monospace;font-size:17px;letter-spacing:.04em;margin:10px 0}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:50;padding:10px 18px;border-radius:6px;background:#1f2937;color:#fff}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#eef2f6;padding:20px}.login-card{width:min(390px,100%);padding:32px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 36px #12375d12}.login-brand{color:var(--navy);font-weight:600}.login-card h1{margin:16px 0 2px;font-size:23px}.login-card p{margin:0 0 24px;color:var(--muted)}.login-card label{display:block;margin-bottom:6px}.login-card input{width:100%;margin-bottom:16px}.login-card .btn{width:100%}.form-error{margin-top:12px;color:var(--red)}@media(max-width:800px){.sidebar{position:static;width:auto}.logo{padding:12px 16px}.nav{flex-direction:row;padding:4px 8px}.nav-btn{border-left:0;border-bottom:2px solid transparent}.nav-btn.on{border-left-color:transparent;border-bottom-color:#fff}.side-foot{display:none}.shell{margin-left:0}.topbar{position:static;padding:10px 14px}.main{padding:12px}.status-item{flex:1 1 40%}.search{width:170px}.health-grid{grid-template-columns:repeat(2,1fr)}}