:root{
  --bg:#f4f6fa; --panel:#ffffff; --panel-2:#fafbfd;
  --line:#e3e8f0; --line-2:#eef1f6;
  --text:#1f2a3d; --muted:#7a8699; --muted-2:#9aa5b5;
  --primary:#1f6feb; --primary-d:#1a5fd0; --primary-l:#eaf2ff;
  --ok:#12a150; --ok-l:#e8f7ee; --warn:#c8811a; --warn-l:#fdf3e2;
  --danger:#d93f3f; --danger-l:#fdecec;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.05),0 4px 12px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{background:var(--bg);color:var(--text);
  font:14px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif}
h1,h2,h3,h4{margin:0;font-weight:650}
a{color:inherit;text-decoration:none}
.hidden{display:none !important}

/* ---------- 登录 ---------- */
.login-mask{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf0fb 0%,#f6f9fd 55%,#eef4ff 100%);z-index:99}
.login-card{width:400px;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:30px 28px 22px}
.login-brand{display:flex;gap:14px;align-items:center;margin-bottom:22px}
.logo{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#1f6feb,#4f8ff7);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:.5px}
.logo.sm{width:34px;height:34px;font-size:12px;border-radius:9px}
.login-brand h1{font-size:17px}
.login-brand p{margin:3px 0 0;color:var(--muted);font-size:12px}
.login-card form label{display:block;margin-bottom:14px}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  font-size:14px;background:var(--panel-2);outline:none;transition:.15s}
.login-card input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px var(--primary-l)}
.err{color:var(--danger);font-size:12.5px;min-height:18px;margin-bottom:6px}
.login-tip{margin:14px 0 0;color:var(--muted-2);font-size:11.5px;text-align:center;line-height:1.6}

/* ---------- 布局 ---------- */
.app{display:flex;height:100vh}
.sidebar{width:212px;background:#0f1b2d;color:#c8d3e4;display:flex;flex-direction:column;flex:0 0 212px}
.brand{display:flex;gap:10px;align-items:center;padding:16px 16px 14px;border-bottom:1px solid #1c2b42}
.brand strong{display:block;color:#fff;font-size:13.5px}
.brand small{color:#6d7f9c;font-size:11px}
#nav{padding:10px 8px;flex:1;overflow:auto}
#nav a{display:block;padding:9px 12px;border-radius:8px;margin-bottom:2px;font-size:13.5px;color:#b6c4da}
#nav a:hover{background:#17273d;color:#fff}
#nav a.active{background:var(--primary);color:#fff;font-weight:600}
.side-foot{padding:12px;border-top:1px solid #1c2b42}
.me{font-size:12px;color:#8fa1bd;margin-bottom:8px;line-height:1.5}
.me b{color:#e6edf8;display:block;font-size:13px}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:var(--panel);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px}
.topbar h2{font-size:16px}
.topbar-right{display:flex;gap:8px;align-items:center}
.tag{font-size:11.5px;padding:3px 9px;border-radius:20px;background:var(--line-2);color:var(--muted)}
.tag.ok{background:var(--ok-l);color:var(--ok)}
.tag.warn{background:var(--warn-l);color:var(--warn)}
.view{flex:1;overflow:auto;padding:20px 22px 40px}

/* ---------- 通用组件 ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:16px}
.card-h{padding:13px 16px;border-bottom:1px solid var(--line-2);display:flex;
  align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-h h3{font-size:14.5px}
.card-b{padding:14px 16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.end{justify-content:flex-end}
.grow{flex:1}

.btn{padding:7px 14px;border:1px solid var(--line);background:#fff;border-radius:8px;
  cursor:pointer;font-size:13px;color:var(--text);transition:.15s;white-space:nowrap}
.btn:hover{border-color:#c9d4e5;background:var(--panel-2)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d);border-color:var(--primary-d)}
.btn.ghost{background:transparent;border-color:transparent;color:#9fb0c9}
.btn.ghost:hover{background:#17273d;color:#fff}
.btn.danger{color:var(--danger);border-color:#f3c9c9}
.btn.danger:hover{background:var(--danger-l)}
.btn.sm{padding:4px 9px;font-size:12px}
.btn.block{width:100%;padding:10px;font-size:14px;margin-top:4px}
.btn:disabled{opacity:.5;cursor:not-allowed}

input,select,textarea{padding:7px 10px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;background:#fff;outline:none;font-family:inherit;color:var(--text)}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}
input[type=checkbox]{width:15px;height:15px;padding:0}
label.fld{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
label.fld span{font-weight:500}
.mono{font-variant-numeric:tabular-nums;font-family:"SF Mono",Menlo,Consolas,monospace}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line-2);white-space:nowrap}
th{background:var(--panel-2);color:var(--muted);font-weight:600;font-size:12px;
  position:sticky;top:0;z-index:2}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:hover{background:#f8fafd}
.tbl-wrap{overflow:auto;max-height:62vh}
.tbl-wrap.small{max-height:38vh}
.pager{display:flex;align-items:center;gap:8px;padding:10px 16px;font-size:12.5px;color:var(--muted)}
.pager select{padding:3px 6px}
.empty{padding:34px;text-align:center;color:var(--muted-2);font-size:13px}

/* KPI */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;box-shadow:var(--shadow)}
.kpi .k{font-size:12px;color:var(--muted)}
.kpi .v{font-size:22px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi .s{font-size:11.5px;color:var(--muted-2);margin-top:3px}
.kpi.blue .v{color:var(--primary)}
.kpi.ok .v{color:var(--ok)}
.kpi.warn .v{color:var(--warn)}

/* tabs */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);padding:0 16px;margin-bottom:0}
.tabs button{padding:10px 14px;border:none;background:none;cursor:pointer;font-size:13.5px;
  color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button:hover{color:var(--text)}
.tabs button.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

.grid{display:grid;gap:12px}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid.c4{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.mini{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line-2);font-size:13px}
.mini:last-child{border-bottom:none}
.mini .l{color:var(--muted)}
.mini .r{font-variant-numeric:tabular-nums;font-weight:600}

.badge{display:inline-block;padding:1px 7px;border-radius:20px;font-size:11px;
  background:var(--line-2);color:var(--muted)}
.badge.ok{background:var(--ok-l);color:var(--ok)}
.badge.warn{background:var(--warn-l);color:var(--warn)}
.badge.blue{background:var(--primary-l);color:var(--primary)}
.badge.danger{background:var(--danger-l);color:var(--danger)}
.badge.gray{background:#eef1f6;color:var(--muted)}

.note{padding:9px 12px;border-radius:8px;font-size:12.5px;margin-bottom:8px;line-height:1.6}
.note.info{background:var(--primary-l);color:#17457f}
.note.warn{background:var(--warn-l);color:#8a5a10}
.note.ok{background:var(--ok-l);color:#0d6b39}
.note.danger{background:var(--danger-l);color:#a32c2c}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(15,27,45,.45);display:flex;
  align-items:center;justify-content:center;z-index:60;padding:20px}
.modal{background:var(--panel);border-radius:12px;width:560px;max-width:100%;
  max-height:88vh;display:flex;flex-direction:column;box-shadow:0 12px 40px rgba(0,0,0,.18)}
.modal.wide{width:900px}
.modal-head{padding:14px 18px;border-bottom:1px solid var(--line-2);
  display:flex;justify-content:space-between;align-items:center}
.modal-head h3{font-size:15px}
.modal-head .x{border:none;background:none;font-size:22px;cursor:pointer;color:var(--muted);line-height:1}
.modal-body{padding:16px 18px;overflow:auto;flex:1}
.modal-foot{padding:12px 18px;border-top:1px solid var(--line-2);display:flex;justify-content:flex-end;gap:8px}

.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);
  background:#0f1b2d;color:#fff;padding:10px 18px;border-radius:8px;font-size:13px;
  opacity:0;pointer-events:none;transition:.22s;z-index:120;max-width:80vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--ok)}

.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.filters input{min-width:180px}
.link{color:var(--primary);cursor:pointer}
.link:hover{text-decoration:underline}
hr.sep{border:none;border-top:1px solid var(--line-2);margin:14px 0}
.small{font-size:12px;color:var(--muted)}
.warn-box{border:1px solid #f2d9a8;background:var(--warn-l);border-radius:8px;padding:10px 12px;
  font-size:12.5px;color:#8a5a10;margin-bottom:12px}