:root{color-scheme:dark;--bg:#07111e;--panel:#101f2e;--line:#263d50;--mint:#6ee0d3;--text:#edf5ff;--muted:#93afc4}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 90% 0,#133042 0,transparent 45%),var(--bg);font-family:system-ui,'Microsoft YaHei',sans-serif;color:var(--text)}main{max-width:1300px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:30px}.brand{font-size:26px;color:var(--mint);font-weight:700;text-decoration:none}.brand span{color:var(--text);font-size:17px;margin-left:12px}.actions,.row{display:flex;align-items:center;gap:12px}.row{justify-content:space-between}.badge{font-size:11px;letter-spacing:2px;color:var(--mint);border:1px solid var(--line);border-radius:6px;padding:6px 10px}h1{font-size:30px;margin:8px 0 12px}h2{font-size:18px;margin:0 0 14px}h3{font-size:14px;margin:25px 0 12px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--mint);margin:0}.muted,small{color:var(--muted);line-height:1.7}.muted{font-size:13px}.small{font-size:12px}.card{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:24px}button,.button,input,select{font:inherit;font-size:14px;border:1px solid #36536a;border-radius:9px;color:var(--text);background:#182e40;padding:10px 14px}button,.button{cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s}button:hover,.button:hover{background:#244357;border-color:var(--mint)}button:disabled{opacity:.4;cursor:default}.primary{background:var(--mint);color:#06242e;border-color:var(--mint);font-weight:700}.primary:hover{background:#9bf1e5}input,select{display:block;width:100%;margin-top:8px;min-height:42px}label{font-size:13px;color:#c0d6e6}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--mint);outline-offset:3px}[hidden]{display:none!important}.login{max-width:430px;margin:65px auto}.login h1{font-size:28px}.login form{margin-top:28px}.login .primary{width:100%;margin-top:18px}.back{color:var(--muted);font-size:13px}.heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.filters{margin-bottom:20px}.presets{display:flex;gap:8px;margin-bottom:20px}.selected{background:#1e4d52;color:var(--mint);border-color:var(--mint)}.filter-fields{display:flex;align-items:end;gap:14px;flex-wrap:wrap}.filter-fields label{flex:1;min-width:145px}.filter-fields .search{flex:1.5}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.metrics span{color:var(--muted);font-size:13px}.metrics strong{display:block;font-size:40px;font-variant-numeric:tabular-nums;color:var(--mint);margin:10px 0}.metrics small{font-size:12px}.charts{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin:20px 0}.trend{height:220px;display:flex;align-items:center;justify-content:center;color:var(--muted)}.trend svg{width:100%;height:100%}.distribution-item{margin:14px 0}.distribution-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}.bar-track{height:7px;border-radius:5px;background:#22384a;overflow:hidden}.bar-fill{height:100%;background:var(--mint);border-radius:5px}.device-tags{display:flex;gap:10px;flex-wrap:wrap}.device-tags span{background:#1a3446;border-radius:7px;padding:7px 11px;font-size:12px}.records .row{align-items:start}.records .row p{margin:4px 0 18px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}th{text-align:left;color:var(--muted);font-weight:500;padding:14px 12px;background:#13283a}td{padding:15px 12px;border-bottom:1px solid var(--line)}tbody tr:hover{background:#142b3c}td:last-child{font-family:monospace;color:#8cb6c7}.pagination{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-top:18px}.empty{text-align:center;padding:42px;color:var(--muted)}footer{text-align:center;color:#637f95;font-size:12px;margin-top:35px}#status,#loginMessage,#passwordMessage{font-size:13px;color:#ffb99e;min-height:18px}.password-form{margin-bottom:20px}.password-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}@media(max-width:850px){main{padding:18px}.filter-fields label{min-width:40%}.charts{grid-template-columns:1fr}.heading{display:block}.records .row{flex-wrap:wrap}.password-fields{grid-template-columns:1fr}}@media(max-width:520px){main{padding:14px}.card{padding:18px}.brand span{font-size:14px}.brand{font-size:22px}.actions{gap:7px}header{flex-wrap:wrap;gap:16px}h1{font-size:25px}.metrics{gap:8px}.metrics .card{padding:14px}.metrics strong{font-size:28px}.metrics small{font-size:10px}.presets{flex-wrap:wrap}.pagination{align-items:start;gap:12px;flex-wrap:wrap}.records .actions{flex-wrap:wrap}.filter-fields{gap:10px}}