:root{--bg:#f4f6fa;--side:#1f2733;--side2:#2a3442;--primary:#2f6bff;--ok:#18a058;--warn:#f0a020;--red:#d03050;--line:#e6e9f0;--txt:#2b333f;--muted:#8a93a3}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"Segoe UI","Microsoft YaHei",Roboto,Arial,sans-serif;background:var(--bg);color:var(--txt);font-size:14px}
a{color:var(--primary);text-decoration:none}
.layout{display:flex;min-height:100vh}.side{width:220px;background:var(--side);color:#cdd5e1;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.side .brand{padding:18px 16px;font-size:16px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);line-height:1.4}
.side nav{flex:1;padding:10px 0;overflow:auto}.side nav a{display:block;padding:11px 18px;color:#b9c2d0;border-left:3px solid transparent}
.side nav a:hover{background:var(--side2);color:#fff}.side nav a.active{background:var(--side2);color:#fff;border-left-color:var(--primary)}
.side nav details.grp>summary{list-style:none;cursor:pointer;padding:13px 18px 7px;font-size:12px;color:#7f8a9b;letter-spacing:.5px;display:flex;align-items:center;justify-content:space-between;user-select:none}
.side nav details.grp>summary::-webkit-details-marker{display:none}
.side nav details.grp>summary:hover{color:#cdd5e1}
.side nav details.grp>summary:after{content:"\25B8";font-size:11px;color:#6b7686;transition:transform .2s}
.side nav details.grp[open]>summary:after{transform:rotate(90deg)}
.side nav .grp-in a{padding-left:30px;font-size:13px}
.side-foot{padding:12px 18px;border-top:1px solid rgba(255,255,255,.08)}.side-foot a{color:#9aa6b8}
.main{flex:1;margin-left:220px;display:flex;flex-direction:column;min-width:0}
.topbar{height:58px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:5}
.page-title{font-size:16px;font-weight:700}.who{color:var(--muted)}
.content{padding:20px 22px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:18px;box-shadow:0 1px 2px rgba(30,40,60,.04)}
.card-h{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.card-h h3{margin:0;font-size:15px}.card-b{padding:16px 18px}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}
.stat-l{color:var(--muted);font-size:13px;margin-bottom:8px}.stat-v{font-size:22px;font-weight:700}
.table-wrap{overflow-x:auto}.grid{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}
.grid th,.grid td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.grid th{background:#fafbfe;color:#5b6575;font-weight:600}.grid tbody tr:hover{background:#f8faff}.empty{text-align:center;color:var(--muted);padding:26px}
.btn{display:inline-block;padding:6px 12px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer;font-size:13px;color:var(--txt);line-height:1.4}
.btn:hover{border-color:var(--primary);color:var(--primary)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{opacity:.9;color:#fff}
.btn.danger{color:var(--red);border-color:#f0c4cf}.btn.danger:hover{background:var(--red);color:#fff;border-color:var(--red)}
.btn.warn{color:var(--warn);border-color:#f0dcae}.btn.block{width:100%;padding:10px}
form.inline{display:inline}.ops{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.ops .btn,.ops button{padding:4px 9px;font-size:12px}
.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;background:#fafbfe;border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin-bottom:14px}
.filters label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:4px}.filters input,.filters select{padding:6px 9px;border:1px solid var(--line);border-radius:6px;min-width:130px}
.cfg-form{max-width:860px}.fi{display:flex;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line);align-items:flex-start}
.fi>label{width:260px;color:#5b6575;padding-top:7px;flex:none}.fc{flex:1}.fc input,.fc select,.fc textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px}
.fc small{display:block;color:var(--muted);margin-top:4px;line-height:1.5}
.sw{position:relative;display:inline-block;width:44px;height:24px}.sw input{display:none}.sw i{position:absolute;inset:0;background:#c6ccd8;border-radius:24px;transition:.2s;cursor:pointer}.sw i:after{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}.sw input:checked+i{background:var(--primary)}.sw input:checked+i:after{transform:translateX(20px)}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px}.alert.red{background:#fdeef1;color:var(--red)}.alert.green{background:#e9f8f0;color:var(--ok)}
.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px}.tag.green{background:#e9f8f0;color:var(--ok)}.tag.red{background:#fdeef1;color:var(--red)}.tag.orange{background:#fdf3e3;color:var(--warn)}.tag.blue{background:#eaf1ff;color:var(--primary)}.tag.gray{background:#eef0f4;color:#7a8394}
.muted{color:var(--muted)}.red{color:var(--red)}code{background:#f2f4f8;padding:2px 6px;border-radius:4px}
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}.tabs a{padding:8px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#5b6575}.tabs a.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.pager{margin-top:14px;color:var(--muted)}
.note{background:#f3f7ff;border:1px solid #d6e3ff;border-radius:8px;padding:10px 14px;margin-bottom:12px;line-height:1.7}
.chart{overflow-x:auto}.chart-row{display:flex;align-items:center;margin-bottom:8px}.chart-label{width:90px;color:var(--muted);font-size:12px;flex:none}
.chart-bars{display:flex;gap:6px;align-items:flex-end;height:120px;border-left:1px solid var(--line);border-bottom:1px solid var(--line);padding-left:6px}
.chart-bars i{width:18px;background:linear-gradient(180deg,#5b8cff,#2f6bff);border-radius:3px 3px 0 0;display:block}.chart-x{display:flex;gap:6px;padding-left:96px;margin-top:4px}.chart-x span{width:24px;text-align:center;color:var(--muted);font-size:11px}
.login-body{background:linear-gradient(135deg,#2f6bff,#6a4bff);display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:#fff;border-radius:14px;padding:30px 30px;width:340px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-card h2{text-align:center;margin:0 0 20px}.login-card label{display:block;margin:12px 0 6px;color:#5b6575;font-size:13px}.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px}
.login-card button{margin-top:22px}