:root{
  --ink:#16202e; --ink2:#5b6b80; --ink3:#8b9aad;
  --bg:#f2f5f9; --card:#fff; --line:#e2e8f0; --line2:#eef2f7;
  --accent:#c9271e; --accent-l:#fef2f1; --steel:#27415f; --steel-l:#eef3f9;
  --ok:#0f7a4a; --ok-l:#eaf7f0; --warn:#b45309; --warn-l:#fff8ec;
  --bad:#b91c1c; --bad-l:#fef2f2; --info:#1d4ed8; --info-l:#eff4ff;
  --r:10px; --sh:0 1px 3px rgba(16,32,52,.07),0 1px 2px rgba(16,32,52,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#1c2f47,#0f1b29)}
.login-card{background:#fff;padding:36px 32px;border-radius:16px;width:360px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:26px}
.brand-mark{width:44px;height:44px;border-radius:11px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;font-size:22px;flex-shrink:0}
.brand-mark.sm{width:32px;height:32px;font-size:16px;border-radius:8px}
.brand h1{font-size:15px;letter-spacing:.5px;color:var(--steel)}
.brand p{font-size:12px;color:var(--ink3)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--ink2);margin-bottom:5px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fbfcfe;outline:none;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--steel);background:#fff;box-shadow:0 0 0 3px rgba(39,65,95,.08)}
.hint{font-size:12.5px;color:var(--bad);margin-top:10px;min-height:18px}

/* ---------- 布局 ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:216px;background:#152538;color:#c9d6e4;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.sb-brand{display:flex;gap:10px;align-items:center;padding:18px 18px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.sb-title{font-size:13px;font-weight:700;letter-spacing:.8px;color:#fff}
.nav{padding:10px 8px;flex:1;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;font-size:13.5px;cursor:pointer;color:#b6c6d8;transition:.15s;position:relative}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:var(--accent);color:#fff;font-weight:600}
.ico{width:16px;text-align:center;opacity:.85;font-size:13px}
.badge{margin-left:auto;background:#ff4d3d;color:#fff;font-size:11px;padding:1px 7px;border-radius:9px;font-weight:700;line-height:1.5}
.badge:empty{display:none}
.sb-foot{padding:12px;border-top:1px solid rgba(255,255,255,.07)}
.user-box{display:flex;gap:9px;align-items:center;margin-bottom:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.13);display:grid;place-items:center;font-size:13px;color:#fff}
.uname{font-size:13px;color:#fff;font-weight:600}
.urole{font-size:11px;color:#7f92a8}
.main{margin-left:216px;flex:1;padding:22px 26px 60px;min-width:0}

/* ---------- 通用组件 ---------- */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px;gap:14px;flex-wrap:wrap}
.page-head h2{font-size:20px;font-weight:700}
.page-head .sub{font-size:12.5px;color:var(--ink3);margin-top:2px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}
.card-h{padding:13px 16px;border-bottom:1px solid var(--line2);font-weight:700;font-size:14px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.card-b{padding:16px}
.btn{padding:8px 15px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:600;font-size:13px;transition:.15s;white-space:nowrap}
.btn:hover{background:#f7f9fc;border-color:#cfd8e4}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:#b21f18}
.btn.steel{background:var(--steel);border-color:var(--steel);color:#fff}
.btn.steel:hover{background:#1d3450}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.18);color:#c9d6e4}
.btn.ghost:hover{background:rgba(255,255,255,.08)}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}

/* KPI */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;box-shadow:var(--sh)}
.kpi .n{font-size:24px;font-weight:800;letter-spacing:-.5px;line-height:1.2}
.kpi .l{font-size:12px;color:var(--ink3);margin-top:2px}
.kpi.hot .n{color:var(--accent)}
.kpi.good .n{color:var(--ok)}
.kpi.warn .n{color:var(--warn)}

/* 表格 */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
table.tbl th{background:#f6f8fb;text-align:left;padding:9px 12px;font-weight:700;font-size:12.5px;color:var(--ink2);border-bottom:1px solid var(--line);white-space:nowrap;position:sticky;top:0}
table.tbl td{padding:10px 12px;border-bottom:1px solid var(--line2);vertical-align:middle}
table.tbl tr:hover td{background:#fafcff}
table.tbl tr{cursor:pointer}
.mono{font-family:ui-monospace,"SF Mono",Consolas,monospace;font-size:12.5px}

/* 状态标签 */
.tag{display:inline-block;padding:2px 8px;border-radius:5px;font-size:11.5px;font-weight:700;white-space:nowrap;line-height:1.6}
.t-gray{background:#eef2f7;color:#5b6b80}
.t-blue{background:var(--info-l);color:var(--info)}
.t-green{background:var(--ok-l);color:var(--ok)}
.t-red{background:var(--bad-l);color:var(--bad)}
.t-amber{background:var(--warn-l);color:var(--warn)}
.t-steel{background:var(--steel-l);color:var(--steel)}
.t-purple{background:#f3efff;color:#6b3fd4}

/* 提醒卡 */
.alert-item{display:flex;gap:12px;padding:13px 16px;border-bottom:1px solid var(--line2);align-items:flex-start}
.alert-item:last-child{border-bottom:none}
.alert-item:hover{background:#fafcff}
.alert-bar{width:3px;border-radius:2px;align-self:stretch;flex-shrink:0}
.lv-critical .alert-bar{background:var(--bad)}
.lv-high .alert-bar{background:var(--warn)}
.lv-normal .alert-bar{background:var(--info)}
.alert-t{font-weight:700;font-size:13.5px;margin-bottom:2px}
.alert-b{font-size:12.5px;color:var(--ink2)}
.alert-meta{font-size:11.5px;color:var(--ink3);margin-top:3px}
.lv-critical .alert-t{color:var(--bad)}
.lv-high .alert-t{color:var(--warn)}

/* 筛选栏 */
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.chip{padding:6px 13px;border-radius:20px;border:1px solid var(--line);background:#fff;font-size:12.5px;cursor:pointer;font-weight:600;color:var(--ink2);transition:.15s}
.chip:hover{border-color:#cfd8e4}
.chip.on{background:var(--steel);border-color:var(--steel);color:#fff}
.search{padding:8px 13px;border:1px solid var(--line);border-radius:8px;min-width:230px;background:#fff;outline:none}
.search:focus{border-color:var(--steel)}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(16,26,40,.5);display:grid;place-items:center;z-index:100;padding:20px;overflow-y:auto}
.modal{background:#fff;border-radius:14px;width:100%;max-width:760px;box-shadow:0 24px 60px rgba(0,0,0,.28);max-height:92vh;display:flex;flex-direction:column;margin:auto}
.modal.wide{max-width:960px}
.modal-h{padding:16px 20px;border-bottom:1px solid var(--line2);display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:15px}
.modal-b{padding:18px 20px;overflow-y:auto;flex:1}
.modal-f{padding:13px 20px;border-top:1px solid var(--line2);display:flex;justify-content:flex-end;gap:9px;background:#fafcff;border-radius:0 0 14px 14px}
.x{background:none;border:none;font-size:22px;color:var(--ink3);cursor:pointer;line-height:1;padding:0 4px}
.x:hover{color:var(--ink)}

/* 表单网格 */
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.fgrid .full{grid-column:1/-1}
.fgrid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:13px}
.sec-title{font-size:12.5px;font-weight:800;color:var(--steel);letter-spacing:.4px;margin:18px 0 9px;padding-bottom:6px;border-bottom:1px solid var(--line2);grid-column:1/-1}
.sec-title:first-child{margin-top:0}

/* 详情 */
.dl{display:grid;grid-template-columns:110px 1fr;gap:7px 14px;font-size:13px}
.dl dt{color:var(--ink3);font-size:12.5px}
.dl dd{font-weight:600;word-break:break-word}

/* 时间轴 */
.timeline{position:relative;padding-left:22px}
.timeline::before{content:'';position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding-bottom:15px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-22px;top:4px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--line);box-sizing:border-box}
.tl-item.done .tl-dot{background:var(--ok);border-color:var(--ok)}
.tl-item.current .tl-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-l)}
.tl-title{font-size:13px;font-weight:700}
.tl-date{font-size:12px;color:var(--ink3)}
.tl-item.done .tl-title{color:var(--ok)}
.tl-item.current .tl-title{color:var(--accent)}

/* Toast */
#toast-host{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#16202e;color:#fff;padding:10px 20px;border-radius:9px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.2);animation:tin .2s}
.toast.ok{background:var(--ok)}
.toast.err{background:var(--bad)}
@keyframes tin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 空状态 */
.empty{text-align:center;padding:44px 20px;color:var(--ink3);font-size:13.5px}
.empty .big{font-size:34px;opacity:.25;margin-bottom:10px}

/* 进度条 */
.bar{height:6px;background:var(--line2);border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--steel);border-radius:4px}

/* 响应式 */
@media(max-width:820px){
  .sidebar{width:60px}
  .sb-title,.nav-item span:not(.ico),.uname,.urole,.sb-foot .btn{display:none}
  .nav-item{justify-content:center;padding:11px 0}
  .badge{position:absolute;top:3px;right:6px;font-size:9px;padding:0 4px}
  .main{margin-left:60px;padding:14px 12px 60px}
  .fgrid,.fgrid3{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .page-head h2{font-size:17px}
  .modal{max-width:100%}
  .dl{grid-template-columns:92px 1fr}
  .sb-brand{padding:14px 12px;justify-content:center}
}