:root{--blue:#2469ed;--blue2:#1554ca;--ink:#13213b;--muted:#73819c;--line:#e5eaf2;--bg:#f1f5fb;--card:#fff;--green:#17a673;--red:#ef5261;--amber:#f59e0b;--shadow:0 8px 30px rgba(31,55,92,.08);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.muted{color:var(--muted)}.small{font-size:12px}.danger{color:var(--red)!important}.success{color:var(--green)}.boot-loader{display:grid;place-items:center;height:100vh;color:var(--muted)}
.auth-page{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#f7f9fd}.auth-brand{padding:9vh 8vw;background:linear-gradient(145deg,#153eab,#2d7cf5 65%,#26b4ca);color:white;position:relative;overflow:hidden}.auth-brand:after{content:"";position:absolute;width:520px;height:520px;border:90px solid rgba(255,255,255,.08);border-radius:50%;right:-180px;bottom:-220px}.auth-brand h1{font-size:42px;margin:24px 0 14px}.auth-brand p{font-size:18px;opacity:.86;max-width:560px;line-height:1.8}.brand-mark{font-size:52px}.auth-panel{display:grid;place-items:center;padding:32px}.auth-card{width:min(430px,100%);background:#fff;padding:38px;border-radius:20px;box-shadow:0 20px 60px rgba(26,58,115,.12)}.auth-card h2{font-size:28px;margin:0 0 8px}.auth-switch{display:flex;gap:8px;margin:24px 0}.auth-switch button{flex:1;border:0;border-bottom:2px solid var(--line);background:white;padding:12px;color:var(--muted)}.auth-switch button.active{color:var(--blue);border-color:var(--blue)}.field{display:grid;gap:7px;margin:15px 0}.field label{font-size:13px;color:#5d6c86}.field input,.field select,.field textarea{width:100%;border:1px solid #dbe3ef;border-radius:10px;padding:11px 12px;background:white;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#80a9ff;box-shadow:0 0 0 3px rgba(36,105,237,.1)}
.btn{border:1px solid #dbe3ef;border-radius:9px;background:#fff;color:#33415c;padding:9px 14px;transition:.15s}.btn:hover{border-color:#98b6f4;color:var(--blue)}.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue2);color:#fff}.btn-danger{color:var(--red);border-color:#ffd1d5}.btn-sm{padding:6px 10px;font-size:13px}.btn-block{width:100%;padding:12px}.form-error{min-height:22px;color:var(--red);font-size:13px}.spinner{animation:spin 1s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}
.topbar{height:66px;background:#fff;border-top:3px solid #14a8aa;border-bottom:1px solid #d9e1ec;display:flex;align-items:center;padding:0 28px;position:sticky;top:0;z-index:30}.logo{font-size:21px;font-weight:800;color:#1456c8;white-space:nowrap;margin-right:32px}.version{font-size:12px;background:#3375ef;color:#fff;padding:4px 8px;border-radius:14px;margin-left:7px}.nav{display:flex;gap:4px;align-self:stretch;overflow-x:auto}.nav button{border:0;background:transparent;padding:0 16px;color:#64718b;white-space:nowrap;border-radius:10px;margin:8px 0}.nav button:hover,.nav button.active{background:#eaf1ff;color:#1659d1;font-weight:600}.account{margin-left:auto;display:flex;align-items:center;gap:10px;white-space:nowrap}.account-chip{background:#f0f3f8;padding:8px 12px;border-radius:18px}.mobile-menu{display:none}.main{max-width:1700px;margin:auto;padding:26px 32px 60px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 20px}.page-head h1{font-size:24px;margin:0 0 6px}.page-actions{display:flex;gap:9px;align-items:center}.card{background:var(--card);border:1px solid rgba(224,230,239,.8);border-radius:16px;box-shadow:var(--shadow)}.empty{padding:70px 20px;text-align:center;color:var(--muted)}
.device-grid{display:grid;grid-template-columns:repeat(4,minmax(260px,1fr));gap:18px}.device-card{padding:20px;min-height:255px}.device-card.selected{outline:2px solid #5b8df7}.device-title{display:flex;gap:13px;align-items:center}.device-icon{width:58px;height:58px;border-radius:50%;background:#2d72eb;display:grid;place-items:center;color:#fff;font-size:29px}.device-title h3{margin:0 0 5px}.status{font-size:12px;padding:4px 9px;border-radius:12px;margin-left:6px}.status.online{background:#e7f8f0;color:#12865c}.status.offline{background:#eef1f6;color:#78849a}.imei-box{background:#f1f4f9;padding:9px 12px;border-radius:8px;margin:16px 0;font-family:ui-monospace,monospace;display:flex;justify-content:space-between}.device-meta{font-size:13px;color:#687793;line-height:1.8;min-height:70px}.device-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}
.map-layout{height:calc(100vh - 69px);display:grid;grid-template-columns:370px 1fr}.map-side{background:#fff;z-index:5;border-right:1px solid var(--line);padding:17px;overflow:auto}.map-title{font-weight:750;margin-bottom:14px}.map-device{border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0;cursor:pointer}.map-device:hover,.map-device.active{border-color:#76a2ff;background:#f8fbff}.map-device h3{margin:0 0 8px;font-size:16px}.map-canvas{position:relative;min-height:500px;background-color:#eef2ec;background-image:linear-gradient(#dfe8e2 1px,transparent 1px),linear-gradient(90deg,#dfe8e2 1px,transparent 1px);background-size:70px 70px}.map-warning{position:absolute;z-index:3;top:18px;left:50%;transform:translateX(-50%);background:#fff8dc;border:1px solid #f1cf6b;border-radius:10px;padding:10px 15px;color:#765d15;box-shadow:var(--shadow)}
.toolbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;padding:18px;margin-bottom:18px}.toolbar .field{margin:0;min-width:180px}.monitor-grid{display:grid;grid-template-columns:repeat(2,minmax(350px,1fr));gap:18px}.metric-card{padding:20px}.metric-card h3{margin:0 0 4px;font-size:16px}.metric-current{font-size:28px;font-weight:750;color:#1d4ed8}.spark{width:100%;height:130px;margin-top:10px}.spark polyline{fill:none;stroke:#3478ef;stroke-width:3}.spark .grid{stroke:#e8edf5;stroke-width:1}.stat-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:18px}.stat-box{padding:18px}.stat-box b{font-size:25px;display:block;margin-top:8px}.table-card{overflow:auto}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:13px 15px;border-bottom:1px solid #edf0f5;white-space:nowrap}.table th{color:#63708a;background:#fafbfe;font-weight:600}.table tr:hover td{background:#fbfdff}.badge{display:inline-block;padding:4px 8px;border-radius:12px;background:#edf2fb;color:#4e6286;font-size:12px}.badge.warning{background:#fff4da;color:#9a6500}.badge.critical{background:#ffe8ea;color:#be3340}.badge.info{background:#e8f2ff;color:#2162bf}
.split{display:grid;grid-template-columns:minmax(300px,1fr) 2fr;gap:18px}.panel{padding:20px}.panel h2{margin:0 0 18px;font-size:18px}.fence-list{display:grid;gap:12px}.fence-item{padding:15px;border:1px solid var(--line);border-radius:12px}.fence-item h3{margin:0 0 7px}.alert-item{display:grid;grid-template-columns:auto 1fr auto;gap:13px;padding:17px;border-bottom:1px solid var(--line)}.alert-dot{width:10px;height:10px;border-radius:50%;background:var(--amber);margin-top:7px}.alert-item.critical .alert-dot{background:var(--red)}.alert-item.read{opacity:.65}.modal-backdrop{position:fixed;inset:0;background:rgba(12,24,45,.42);z-index:80;display:grid;place-items:center;padding:20px}.modal{background:white;border-radius:16px;width:min(560px,100%);max-height:90vh;overflow:auto;padding:25px;box-shadow:0 30px 80px rgba(0,0,0,.2)}.modal h2{margin-top:0}.toast-wrap{position:fixed;right:20px;bottom:20px;z-index:100;display:grid;gap:10px}.toast{background:#14223c;color:#fff;border-radius:10px;padding:12px 16px;box-shadow:var(--shadow);animation:toastin .2s}.toast.error{background:#a72f3b}@keyframes toastin{from{transform:translateY(10px);opacity:0}}
.admin-tabs{display:flex;gap:8px;margin-bottom:18px;overflow:auto}.admin-tabs button.active{background:#1f5ed6;color:#fff}.notice{border-left:4px solid #3b82f6;background:#edf5ff;padding:13px 16px;border-radius:8px;margin:0 0 18px}.code{font-family:ui-monospace,monospace;background:#f1f4f8;padding:2px 5px;border-radius:4px}.settings-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.track-map{height:560px;border-radius:15px;overflow:hidden}
@media(max-width:1200px){.device-grid{grid-template-columns:repeat(3,1fr)}.stat-row{grid-template-columns:repeat(3,1fr)}.nav button{padding:0 10px}.logo{margin-right:12px;font-size:18px}}
@media(max-width:900px){.auth-page{grid-template-columns:1fr}.auth-brand{display:none}.topbar{padding:0 14px}.mobile-menu{display:block}.nav{position:fixed;left:0;right:0;top:65px;background:#fff;height:auto;display:none;flex-direction:column;padding:10px;box-shadow:var(--shadow)}.nav.open{display:flex}.nav button{padding:13px;margin:0}.account-chip{display:none}.main{padding:20px 15px}.device-grid{grid-template-columns:repeat(2,1fr)}.map-layout{grid-template-columns:1fr;height:auto}.map-side{max-height:360px}.map-canvas{height:65vh}.monitor-grid,.split{grid-template-columns:1fr}.stat-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.device-grid{grid-template-columns:1fr}.page-head{align-items:flex-start;flex-direction:column}.page-actions{width:100%;flex-wrap:wrap}.monitor-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}.logo{max-width:180px;overflow:hidden;text-overflow:ellipsis}.auth-panel{padding:15px}.auth-card{padding:25px}.stat-row{grid-template-columns:1fr 1fr}}