:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --bg: #F1F5F9;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --text: #0F172A;
  --muted: #64748B;
  --ok: #16A34A;
  --warn: #D97706;
  --err: #DC2626;
  --topbar: #0F172A;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ---------- topbar ---------- */
.topbar {
  height: 52px;
  background: var(--topbar);
  color: #E2E8F0;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand { color: #fff; font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.logo-badge { background: var(--primary); color: #fff; width: 26px; height: 26px; border-radius: 7px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; }
.top-links { display: flex; gap: 14px; }
.top-links a { color: #CBD5E1; font-size: 13px; }
.top-links a:hover { color: #fff; }
.top-search { flex: 1; max-width: 480px; display: flex; gap: 6px; }
.top-search input {
  flex: 1; height: 32px; border-radius: 8px; border: 1px solid #334155;
  background: #1E293B; color: #F1F5F9; padding: 0 12px; font-size: 13px; outline: none;
}
.top-search input::placeholder { color: #64748B; }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; }
.uname { color: #E2E8F0; font-size: 13px; }
.logout { color: #94A3B8; font-size: 13px; }

/* ---------- layout ---------- */
.shell { display: flex; min-height: calc(100vh - 52px); }
.sidebar {
  width: 210px; flex: 0 0 210px; background: var(--card);
  border-right: 1px solid var(--border); padding: 12px 10px;
}
.menu-search {
  width: 100%; height: 30px; border: 1px solid var(--border); border-radius: 8px;
  padding: 0 10px; font-size: 13px; margin-bottom: 10px; outline: none;
}
.menu-group { font-size: 11px; color: var(--muted); text-transform: none; margin: 12px 6px 4px; letter-spacing: .5px; }
.menu-item {
  display: flex; align-items: center; gap: 6px; padding: 7px 10px; margin: 1px 0;
  border-radius: 8px; color: #334155; font-size: 13.5px;
}
.menu-item:hover { background: #EEF2FF; color: var(--primary); }
.menu-item.active { background: var(--primary); color: #fff; font-weight: 600; }
.menu-item .cnt { margin-left: auto; font-size: 11px; font-weight: 600; opacity: .85; }
.menu-item .cnt.warn { background: #EF4444; color: #fff; border-radius: 9px; padding: 0 6px; }
.content { flex: 1; padding: 18px 22px; min-width: 0; }

/* ---------- cards & grids ---------- */
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.page-head h1 { font-size: 19px; font-weight: 700; }
.page-head .spacer { flex: 1; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.card h2 { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.card .sub { color: var(--muted); font-size: 12.5px; margin: -6px 0 10px; }
.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 1100px) { .grid-6 { grid-template-columns: repeat(3, 1fr); } .grid-3 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.kpi .val { font-size: 21px; font-weight: 800; letter-spacing: -.3px; }
.kpi .val.green { color: var(--ok); }
.kpi .val.red { color: var(--err); }
.kpi .lbl { color: var(--muted); font-size: 12.5px; margin-top: 3px; }
.kpi .delta { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

/* ---------- forms ---------- */
input, select, textarea {
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px;
  font-size: 13.5px; font-family: inherit; outline: none; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
label.f { display: inline-flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); margin: 0 10px 10px 0; }
label.f input, label.f select { min-width: 130px; }
.inline-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 4px; }

.btn {
  display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--border);
  background: #fff; color: #334155; border-radius: 8px; padding: 7px 14px;
  font-size: 13.5px; cursor: pointer; font-family: inherit; white-space: nowrap;
}
.btn:hover { border-color: #CBD5E1; background: #F8FAFC; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-danger { color: var(--err); }
.btn-danger:hover { background: #FEF2F2; border-color: #FCA5A5; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; height: auto; }
.btn-block { width: 100%; justify-content: center; }
.btn-outline { background: transparent; border-color: #334155; color: #CBD5E1; }
.btn-outline:hover { background: #1E293B; }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; padding: 8px 10px; color: var(--muted); font-weight: 600;
  border-bottom: 1px solid var(--border); white-space: nowrap; font-size: 12.5px;
}
.tbl td { padding: 8px 10px; border-bottom: 1px solid #F1F5F9; vertical-align: middle; }
.tbl tr:hover td { background: #F8FAFC; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl img.thumb { width: 34px; height: 34px; border-radius: 6px; object-fit: cover; background: #F1F5F9; }
.tbl a.rowlink { color: var(--text); font-weight: 500; }

/* ---------- pills ---------- */
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.pill-ok { background: #DCFCE7; color: #15803D; }
.pill-warn { background: #FEF3C7; color: #B45309; }
.pill-info { background: #E0F2FE; color: #0369A1; }
.pill-blue { background: #E0E7FF; color: #4338CA; }
.pill-err { background: #FEE2E2; color: #B91C1C; }
.pill-gray { background: #F1F5F9; color: #64748B; }

/* ---------- alerts & misc ---------- */
.alert { border-radius: 8px; padding: 9px 14px; margin-bottom: 12px; font-size: 13.5px; }
.alert-ok { background: #DCFCE7; color: #166534; }
.alert-err { background: #FEE2E2; color: #991B1B; }
.empty { color: var(--muted); text-align: center; padding: 26px 0; font-size: 13px; }
.chart { width: 100%; height: auto; }
.muted { color: var(--muted); }
.mono { font-family: Consolas, monospace; font-size: 12.5px; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.mb0 { margin-bottom: 0; }
details.box { border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); margin-bottom: 14px; }
details.box > summary { padding: 12px 16px; font-weight: 700; font-size: 14px; cursor: pointer; list-style: none; }
details.box > summary::before { content: '＋ '; color: var(--primary); }
details.box[open] > summary::before { content: '－ '; }
details.box > .inner { padding: 0 16px 14px; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 4px; }

/* ---------- login ---------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #0F172A 0%, #1E293B 55%, #312E81 100%); }
.login-card { background: #fff; border-radius: 14px; padding: 34px 34px 26px; width: 360px; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); display: flex; flex-direction: column; gap: 12px; }
.login-logo { font-size: 19px; font-weight: 800; display: flex; align-items: center; gap: 9px; }
.login-sub { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.login-card label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.login-card input { padding: 9px 12px; }
.login-hint { color: var(--muted); font-size: 12px; text-align: center; margin-top: 4px; }

/* ---------- pagination ---------- */
.pager { display: flex; gap: 6px; align-items: center; margin-top: 12px; font-size: 13px; }
.pager a { padding: 4px 10px; border: 1px solid var(--border); border-radius: 7px; }
.pager a.cur { background: var(--primary); color: #fff; border-color: var(--primary); }
.pager span { color: var(--muted); }

/* exception highlight */
tr.row-exc td { background: #FFF7ED; }
.exc { color: var(--warn); font-size: 12px; }