:root{--ink:#17233b;--muted:#64748b;--line:#e4e9f0;--bg:#f4f7fb;--primary:#176b87;--primary2:#0f526a;--danger:#b42318;--ok:#067647;--card:#fff;--shadow:0 16px 42px rgba(30,50,80,.09)}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font:14px/1.55 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.muted{color:var(--muted)}
.btn{border:0;border-radius:9px;padding:9px 14px;background:var(--primary);color:#fff}.btn:hover{background:var(--primary2)}.btn.secondary{background:#e8f0f4;color:var(--primary2)}.btn.danger{background:#fff0ee;color:var(--danger)}.btn.small{padding:5px 9px;font-size:12px}.btn:disabled{opacity:.55;cursor:not-allowed}
.field{display:grid;gap:6px}.field label{font-weight:650}.field input,.field textarea,.field select{width:100%;border:1px solid #ced7e3;border-radius:9px;padding:9px 10px;background:#fff}.field textarea{min-height:80px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{outline:3px solid #d9edf3;border-color:var(--primary)}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#d8eef3,transparent 34%),linear-gradient(140deg,#f9fbfd,#eaf1f6)}.login-card{width:min(420px,100%);background:#fff;padding:34px;border-radius:18px;box-shadow:var(--shadow)}.brand{display:flex;gap:12px;align-items:center}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;font-size:21px}.brand h1{font-size:19px;margin:0}.brand p{margin:0;color:var(--muted)}
.shell{min-height:100vh}.topbar{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}.topbar-actions{display:flex;align-items:center;gap:12px}.layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 66px)}.sidebar{background:#12273a;padding:20px 12px;color:#d8e3ec}.nav-btn{width:100%;border:0;text-align:left;padding:11px 14px;margin:3px 0;border-radius:9px;background:transparent;color:inherit}.nav-btn.active,.nav-btn:hover{background:#1c4259;color:#fff}.main{padding:26px;min-width:0}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.page-head h2{margin:0;font-size:23px}.toolbar{display:flex;gap:9px;flex-wrap:wrap}.toolbar input,.toolbar select{border:1px solid #ced7e3;border-radius:9px;padding:8px 10px;background:#fff}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 4px 18px rgba(45,60,85,.04)}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}.table th{font-size:12px;color:var(--muted);background:#fafbfd}.table tr:last-child td{border-bottom:0}.tag{display:inline-flex;border-radius:99px;padding:3px 8px;background:#edf2f7;color:#475569}.tag.ok{background:#e9f8f1;color:var(--ok)}.tag.off{background:#fff0ee;color:var(--danger)}.actions{display:flex;gap:6px}
.modal{position:fixed;inset:0;background:rgba(10,25,40,.48);display:grid;place-items:center;padding:20px;z-index:50}.modal-card{background:#fff;width:min(760px,100%);max-height:92vh;overflow:auto;border-radius:16px;box-shadow:var(--shadow)}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.modal-head h3{margin:0}.modal-body{padding:20px}.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:15px}.span2{grid-column:1/-1}.switch{display:flex;align-items:center;gap:8px}.switch input{width:auto}.section{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.section h4{margin:0 0 12px}.inline-form{display:grid;grid-template-columns:1fr 1fr auto;gap:9px;align-items:end}.list{display:grid;gap:8px}.list-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px;border:1px solid var(--line);border-radius:9px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{padding:20px}.metric b{font-size:28px;display:block;margin-top:5px}.chart{height:250px;padding:18px;display:flex;align-items:flex-end;gap:7px}.bar-wrap{flex:1;min-width:18px;text-align:center}.bar{background:linear-gradient(#58a8be,var(--primary));border-radius:6px 6px 2px 2px;min-height:2px}.bar-label{font-size:10px;color:var(--muted);margin-top:5px;white-space:nowrap}.split{display:grid;grid-template-columns:2fr 1fr;gap:14px}.empty{padding:36px;text-align:center;color:var(--muted)}.toast{position:fixed;right:20px;bottom:20px;background:#17233b;color:#fff;padding:11px 15px;border-radius:10px;z-index:90;box-shadow:var(--shadow)}
@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto;padding:8px;position:sticky;top:66px;z-index:15}.nav-btn{width:auto;white-space:nowrap}.main{padding:16px}.stats-grid{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.span2{grid-column:auto}.inline-form{grid-template-columns:1fr}.topbar{padding:0 15px}.brand p{display:none}}