* { margin:0; padding:0; box-sizing:border-box; }
:root {
  color-scheme: dark;
  --bg:#0F172A; --panel:#1E293B; --panel2:#24344D; --border:#334155;
  --txt:#E2E8F0; --muted:#94A3B8; --blue:#3B82F6; --blue2:#60A5FA;
  --cyan:#22D3EE; --green:#34D399; --red:#F87171; --orange:#FBBF24;
}
html,body { height:100%; }
body { font-family:"Microsoft YaHei","PingFang SC",sans-serif; background:var(--bg); color:var(--txt); }
button { cursor:pointer; }
input,select { padding:8px 10px; border:1px solid var(--border); border-radius:6px; font-size:13px; outline:none; background:#0B1220; color:var(--txt); }
input:focus,select:focus { border-color:var(--blue); }
select option { background:var(--panel); }
input[type="date"] { min-width:135px; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.8); cursor:pointer; }
input[type="date"]::-webkit-datetime-edit { color:var(--txt); }

/* ---------- 登录 ---------- */
.login-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; background:radial-gradient(1200px 600px at 30% 20%, #1E3A8A66, transparent), var(--bg); }
.login-card { width:360px; background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:40px 36px; box-shadow:0 20px 60px rgba(0,0,0,.5); }
.login-logo { font-size:28px; font-weight:700; text-align:center; letter-spacing:2px; color:var(--blue2); }
.login-sub { text-align:center; color:var(--muted); margin:8px 0 28px; font-size:13px; }
.form-item { margin-bottom:14px; }
.form-item input { width:100%; background:#0B1220; }
.login-err { color:var(--red); font-size:13px; min-height:18px; margin-bottom:8px; text-align:center; }
.btn-primary { width:100%; padding:10px; border:none; border-radius:6px; background:var(--blue); color:#fff; font-size:15px; }
.btn-primary:hover { background:#2563EB; }
.btn-primary.small { width:auto; padding:8px 18px; font-size:13px; }
.btn-ghost { padding:7px 14px; border:1px solid var(--border); border-radius:6px; background:transparent; color:var(--txt); font-size:13px; }
.btn-ghost:hover { border-color:var(--blue); color:var(--blue2); }
.btn-ghost.small { padding:7px 14px; font-size:13px; }
.btn-ghost.block { display:block; width:100%; margin:6px 0 0; }

/* ---------- 布局 ---------- */
.app { display:flex; min-height:100vh; }
.sidebar { width:210px; flex-shrink:0; background:var(--panel); border-right:1px solid var(--border); padding:18px 12px; display:flex; flex-direction:column; }
.logo { font-size:24px; font-weight:800; color:var(--blue2); padding:0 10px 18px; letter-spacing:1px; }
.logo span { color:var(--cyan); }
.nav-group { font-size:12px; color:var(--muted); padding:6px 10px; }
.nav { flex:1; }
.nav-item { display:block; padding:11px 14px; border-radius:8px; color:var(--txt); font-size:14px; margin-bottom:4px; cursor:pointer; transition:.15s; }
.nav-item:hover { background:var(--panel2); }
.nav-item.active { background:var(--blue); color:#fff; font-weight:600; }
.nav-first10k { border-top:1px solid var(--border); margin-top:8px; padding-top:14px; }
.sidebar-foot { border-top:1px solid var(--border); padding-top:10px; }

.main { flex:1; padding:16px 20px 24px; min-width:0; }

/* ---------- 顶部筛选 ---------- */
.topbar { display:flex; justify-content:space-between; align-items:flex-start; gap:12px; margin-bottom:14px; }
.filters { display:flex; flex-wrap:wrap; gap:12px; align-items:flex-end; background:var(--panel); border:1px solid var(--border); border-radius:10px; padding:12px 14px; flex:1; }
.f-item { display:flex; flex-direction:column; gap:5px; }
.f-item label { font-size:12px; color:var(--muted); }
.f-item .sep { color:var(--muted); }
.seg { display:flex; background:#0B1220; border:1px solid var(--border); border-radius:6px; overflow:hidden; }
.seg-btn { padding:7px 12px; font-size:13px; color:var(--muted); cursor:pointer; border-right:1px solid var(--border); }
.seg-btn:last-child { border-right:none; }
.seg-btn.active { background:var(--blue); color:#fff; }
.topbar-right { display:flex; align-items:center; gap:10px; padding-top:8px; }
.uname { font-size:14px; }
.role-badge { background:#1E3A8A; color:var(--blue2); border-radius:10px; padding:2px 10px; font-size:12px; }

/* ---------- KPI ---------- */
.kpi-row { display:grid; grid-template-columns:repeat(6,1fr); gap:12px; margin-bottom:14px; }
.kpi-card { background:var(--panel); border:1px solid var(--border); border-radius:10px; padding:16px; text-align:center; position:relative; overflow:hidden; }
.kpi-card::before { content:''; position:absolute; left:0; top:0; bottom:0; width:4px; }
.kpi-card.blue::before { background:var(--blue); }
.kpi-card.red::before { background:var(--red); }
.kpi-card.green::before { background:var(--green); }
.kpi-card.cyan::before { background:var(--cyan); }
.kpi-card.orange::before { background:var(--orange); }
.kpi-card.purple::before { background:#A78BFA; }
.kpi-card .lbl { font-size:12px; color:var(--muted); }
.kpi-card .num { font-size:26px; font-weight:700; margin-top:6px; }
.kpi-card .sub { font-size:11px; color:var(--muted); margin-top:2px; }

/* ---------- 图表 ---------- */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.panel { background:var(--panel); border:1px solid var(--border); border-radius:10px; padding:16px; }
.panel-wide { grid-column:1 / -1; }
.panel-title { font-size:14px; font-weight:600; color:var(--txt); margin-bottom:10px; }
.chart { height:320px; }
.chart.small { height:260px; }
.dash-meta { margin-top:14px; font-size:12px; color:var(--muted); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x:auto; }
.table-wrap table { width:100%; border-collapse:collapse; font-size:13px; }
.table-wrap th, .table-wrap td { border-bottom:1px solid var(--border); padding:8px 10px; text-align:right; white-space:nowrap; }
.table-wrap th { color:var(--muted); font-weight:600; }
.table-wrap td:first-child, .table-wrap th:first-child { text-align:left; }
.table-wrap tr:hover td { background:var(--panel2); }

/* ---------- 弹窗 ---------- */
.modal { position:fixed; inset:0; background:rgba(2,6,23,.7); display:flex; align-items:center; justify-content:center; z-index:100; }
.modal-box { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:28px; width:380px; }
.modal-box.wide { width:720px; }
.modal-title { font-size:17px; font-weight:700; margin-bottom:18px; }
.muted { color:var(--muted); font-weight:400; font-size:12px; }
.user-add-row { display:flex; gap:8px; margin-bottom:14px; }
.user-add-row input { flex:1; }
.user-table { width:100%; border-collapse:collapse; font-size:13px; }
.user-table th, .user-table td { border-bottom:1px solid var(--border); padding:8px 6px; text-align:left; }
.user-table th { color:var(--muted); font-weight:600; }
.user-table .op a { color:var(--blue2); margin-right:10px; text-decoration:none; font-size:12px; cursor:pointer; }

@media (max-width: 900px) {
  .kpi-row { grid-template-columns:repeat(3,1fr); }
  .grid-2 { grid-template-columns:1fr; }
  .app { flex-direction:column; }
  .sidebar { width:100%; }
}