*{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1565C0; --primary-dark:#0D47A1; --accent:#00897B; --warn:#F9A825; --danger:#C62828;
  --text:#212121; --muted:#616161; --line:#E0E0E0; --bg:#F4F6F9; --card:#FFFFFF; --surface:#F5F7FA;
  --ok:#2E7D32;
}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;color:var(--text);background:var(--bg)}
.hidden{display:none!important}
a{color:var(--primary);text-decoration:none}
h1,h2,h3,h4{font-weight:600}
/* login */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1565C0,#0D47A1)}
.login-box{width:420px;background:#fff;border-radius:14px;padding:32px;box-shadow:0 12px 40px rgba(0,0,0,.2)}
.login-brand{text-align:center;margin-bottom:24px}
.login-logo{width:52px;height:52px;object-fit:contain;margin:0 auto 10px;display:block}
.login-brand h1{font-size:19px;margin-bottom:4px}
.login-title{font-size:20px;font-weight:700;letter-spacing:.2px;margin-bottom:6px;line-height:1.35}
.login-brand p{font-size:12px;color:var(--muted)}
.login-box label{display:block;font-size:12px;color:var(--muted);margin:12px 0 5px}
.login-box input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.login-box input:focus{outline:none;border-color:var(--primary)}
.btn-block{width:100%;margin-top:18px}
.login-error{color:var(--danger);font-size:13px;margin-top:10px;min-height:18px;text-align:center}
.demo-accounts{margin-top:18px;border-top:1px dashed var(--line);padding-top:14px}
.demo-title{font-size:12px;color:var(--muted);margin-bottom:8px}
.demo-row{font-size:12px;padding:6px 10px;background:var(--surface);border-radius:6px;margin-bottom:6px;cursor:pointer}
.demo-row:hover{background:#E3F2FD}
.ai-disclaimer{margin-top:14px;font-size:11px;color:var(--muted);line-height:1.6}
/* buttons */
.btn{border:none;border-radius:8px;padding:8px 16px;font-size:13px;cursor:pointer;background:#E0E0E0;color:#333;transition:.15s}
.btn:hover{opacity:.88}
.btn-primary{background:var(--primary);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
/* layout */
.app{display:flex;min-height:100vh}
.sidebar{width:216px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid var(--line)}
.brand-logo{width:36px;height:36px;object-fit:contain;flex:0 0 auto}
.brand-text b{display:block;font-size:14px}
.brand-text span{font-size:11px;color:var(--muted)}
.nav{flex:1;overflow-y:auto;padding:10px 8px}
.nav-group{font-size:11px;color:var(--muted);padding:10px 10px 5px}
.nav-item{display:block;padding:9px 12px;border-radius:8px;font-size:13px;color:var(--text);cursor:pointer;margin-bottom:2px}
.nav-item:hover{background:var(--surface)}
.nav-item.active{background:#E3F2FD;color:var(--primary);font-weight:600}
.nav-item .dot{display:inline-block;min-width:18px;height:18px;line-height:18px;text-align:center;background:var(--danger);color:#fff;border-radius:9px;font-size:11px;padding:0 5px;margin-left:6px}
.sidebar-foot{padding:12px;border-top:1px solid var(--line)}
.side-user{font-size:12px;color:var(--muted);margin-bottom:8px}
.main{flex:1;margin-left:216px;display:flex;flex-direction:column}
.topbar{height:58px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}
.topbar h2{font-size:17px}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-user{font-size:12px;color:var(--muted)}
.badge{background:var(--danger);color:#fff;border-radius:10px;padding:2px 8px;font-size:11px}
/* 語言切換 Language switcher */
.lang-select{border:1px solid var(--line);border-radius:8px;padding:5px 8px;font-size:12px;color:var(--text);background:#fff;cursor:pointer;max-width:190px}
.lang-select:focus{outline:none;border-color:var(--primary)}
.login-lang{margin-top:16px;border-top:1px dashed var(--line);padding-top:14px}
.login-lang label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.login-lang .lang-select{width:100%;max-width:none;padding:8px 10px;font-size:13px}
.view{flex:1;padding:22px 24px}
/* cards & grids */
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}
.card h3{font-size:14px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat .label{font-size:12px;color:var(--muted)}
.stat .value{font-size:26px;font-weight:700;margin-top:4px}
.stat .sub{font-size:11px;color:var(--muted);margin-top:2px}
.section-title{font-size:15px;margin:22px 0 12px;display:flex;justify-content:space-between;align-items:center}
/* table */
table{width:100%;border-collapse:collapse;font-size:13px;background:#fff}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--surface);font-weight:600;color:#37474F;white-space:nowrap}
tbody tr:hover{background:#FAFBFC}
.table-wrap{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
/* forms */
.form-row{display:flex;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.field{flex:1;min-width:180px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;font-family:inherit}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary)}
.checkbox-list{max-height:220px;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:8px}
.checkbox-list label{display:flex;align-items:center;gap:8px;padding:5px 6px;font-size:13px;cursor:pointer;border-radius:6px}
.checkbox-list label:hover{background:var(--surface)}
/* tags & pills */
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;background:var(--surface);color:var(--muted);margin:0 4px 4px 0}
.tag-blue{background:#E3F2FD;color:var(--primary)}
.tag-green{background:#E0F2F1;color:var(--accent)}
.tag-red{background:#FFEBEE;color:var(--danger)}
.tag-yellow{background:#FFF8E1;color:#F57F17}
.pill{display:inline-block;padding:2px 9px;border-radius:10px;font-size:11px;background:#E3F2FD;color:var(--primary)}
.pill-gray{background:#EEEEEE;color:#616161}
.pill-green{background:#E8F5E9;color:var(--ok)}
.pill-red{background:#FFEBEE;color:var(--danger)}
.pill-yellow{background:#FFF8E1;color:#F57F17}
/* misc */
.empty{padding:40px;text-align:center;color:var(--muted);font-size:13px}
.toolbar{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{padding:7px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.disclaimer{font-size:11px;color:var(--muted);background:#FFF8E1;border-left:3px solid var(--warn);padding:8px 10px;border-radius:4px;margin-top:10px;line-height:1.6}
.ai-badge{display:inline-block;font-size:10px;background:#FFF3E0;color:#E65100;padding:1px 6px;border-radius:8px;margin-left:6px}
.progress{height:8px;background:#EEEEEE;border-radius:4px;overflow:hidden}
.progress > div{height:100%;background:var(--primary);border-radius:4px}
/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:14px;width:680px;max-width:100%;max-height:88vh;display:flex;flex-direction:column}
.modal-lg{width:900px}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{font-size:15px}
.modal-body{padding:18px 20px;overflow-y:auto;flex:1}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.close-x{cursor:pointer;font-size:20px;color:var(--muted);line-height:1}
/* review workbench */
.wb{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media(max-width:1200px){.wb{grid-template-columns:1fr}}
.wb-col{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;max-height:70vh;overflow-y:auto}
.wb-col h4{font-size:13px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.dim-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px dashed #EEE;font-size:13px}
.dim-row select{width:78px;padding:4px;border:1px solid var(--line);border-radius:6px}
.ind-list{font-size:12px;color:var(--muted);padding-left:4px;margin-bottom:8px}
.ind-item{display:flex;justify-content:space-between;padding:3px 0}
.answer-box{background:var(--surface);border-radius:8px;padding:12px;font-size:13px;line-height:1.7;white-space:pre-wrap;max-height:340px;overflow-y:auto}
.fb-block{background:var(--surface);border-radius:8px;padding:10px;margin-bottom:10px;font-size:12.5px;line-height:1.7}
.fb-block b{display:block;margin-bottom:4px;font-size:12px}
/* toast */
#toast-root{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{background:#323232;color:#fff;padding:10px 16px;border-radius:8px;font-size:13px;box-shadow:0 4px 14px rgba(0,0,0,.2)}
.toast.ok{background:var(--ok)}
.toast.err{background:var(--danger)}
/* schedule */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.cal-day{background:#fff;border:1px solid var(--line);border-radius:10px;min-height:120px;padding:8px}
.cal-day.today{border-color:var(--primary);background:#F5FAFF}
.cal-head{font-size:12px;color:var(--muted);margin-bottom:6px}
.cal-ev{background:#E3F2FD;color:var(--primary);border-radius:6px;padding:5px 7px;font-size:11.5px;margin-bottom:5px;cursor:pointer}
.cal-ev.offline{background:#E8F5E9;color:var(--ok)}
.cal-ev.recorded{background:#FFF3E0;color:#E65100}
/* radar/trend placeholders */
.chart-box{background:var(--surface);border-radius:10px;padding:14px;min-height:200px}
.bar-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:12px}
.bar-row .name{width:74px;color:var(--muted)}
.bar-wrap{flex:1;background:#EEEEEE;border-radius:4px;height:14px;overflow:hidden}
.bar-fill{height:100%;background:var(--primary);border-radius:4px}
.bar-val{width:34px;text-align:right;font-weight:600}