:root {
  --bg: #f5f6f8; --fg: #1f2328; --muted: #6b7280; --border: #e3e5e8; --card: #fff;
  --primary: #2563eb; --danger: #dc2626; --danger-bg: #fef2f2; --warn: #d97706; --warn-bg: #fffbeb;
  --ok: #16a34a; --info-bg: #eff6ff; --black: #111827;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 14px/1.5 -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 15px; margin: 20px 0 8px; display: flex; justify-content: space-between; align-items: baseline; }
h2:first-child { margin-top: 0; }
.more { font-size: 12px; font-weight: normal; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.r { text-align: right; }
.inline { display: inline; }

.topbar { display: flex; align-items: center; gap: 16px; background: #111827; color: #e5e7eb; padding: 0 20px; height: 48px; position: sticky; top: 0; z-index: 10; }
.topbar .brand { color: #fff; font-weight: 600; white-space: nowrap; }
.topbar nav { display: flex; gap: 2px; overflow-x: auto; flex: 1; }
.topbar nav a { color: #cbd5e1; padding: 6px 10px; border-radius: 6px; white-space: nowrap; }
.topbar nav a:hover { background: #1f2937; text-decoration: none; }
.topbar nav a.active { background: #374151; color: #fff; }
.topbar .right { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.topbar .me { color: #e5e7eb; }
.topbar .btn-link { color: #93c5fd; }

main { padding: 20px; max-width: 1600px; margin: 0 auto; }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 10px; border: 1px solid; }
.alert-info { background: var(--info-bg); border-color: #bfdbfe; }
.alert-warn { background: var(--warn-bg); border-color: #fde68a; }
.alert-danger, .alert-error { background: var(--danger-bg); border-color: #fecaca; color: #991b1b; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 14px; color: var(--fg); }
.card:hover { text-decoration: none; border-color: var(--primary); }
.card .num { font-size: 26px; font-weight: 600; }
.card .lbl { color: var(--muted); font-size: 12px; }
.card-danger { border-color: #fca5a5; background: var(--danger-bg); }
.card-danger .num { color: var(--danger); }
.card-warn { border-color: #fcd34d; background: var(--warn-bg); }
.card-warn .num { color: var(--warn); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 1100px) { .grid2 { grid-template-columns: 1fr; } }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-weight: 600; color: var(--muted); font-size: 12px; background: #fafafa; white-space: nowrap; }
tr:hover td { background: #fafbfc; }
.row-danger td { background: var(--danger-bg); }
.row-warn td { background: var(--warn-bg); }
.row-black td:first-child { box-shadow: inset 3px 0 0 var(--black); }

.tag { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 4px; margin-left: 4px; line-height: 18px; border: 1px solid; }
.tag-danger { color: var(--danger); border-color: #fca5a5; background: #fff; }
.tag-warn { color: var(--warn); border-color: #fcd34d; background: #fff; }
.tag-black { color: #fff; background: var(--black); border-color: var(--black); }
.tag-white { color: var(--ok); border-color: #86efac; background: #fff; }
.tag-muted { color: var(--muted); border-color: var(--border); }
.badge { display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 4px; border-radius: 9px; font-size: 11px; line-height: 18px; text-align: center; }
.badge-danger { background: var(--danger); color: #fff; }
.pill { padding: 2px 10px; border-radius: 12px; font-size: 12px; }
.pill-info { background: #1e3a8a; color: #dbeafe; }
.pill-warn { background: #78350f; color: #fef3c7; }
.pill-danger { background: #7f1d1d; color: #fee2e2; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.dot-green { background: var(--ok); } .dot-yellow { background: #eab308; } .dot-red { background: var(--danger); }

.bar { display: inline-block; width: 90px; height: 6px; background: #e5e7eb; border-radius: 3px; vertical-align: middle; margin-right: 6px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--ok); }
.bar .bar-warn { background: #eab308; } .bar .bar-danger { background: var(--danger); }

.alerts { list-style: none; margin: 0; padding: 0; }
.alerts li { padding: 6px 0 6px 10px; border-bottom: 1px solid var(--border); border-left: 3px solid var(--border); margin-bottom: 2px; }
.alerts .lvl-error { border-left-color: var(--danger); } .alerts .lvl-warn { border-left-color: var(--warn); }

.btn { display: inline-block; padding: 6px 12px; border: 1px solid var(--border); background: #fff; border-radius: 6px; cursor: pointer; font: inherit; color: var(--fg); }
.btn:hover { border-color: var(--primary); text-decoration: none; }
.btn-sm { padding: 2px 8px; font-size: 12px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-link { background: none; border: none; padding: 0; color: var(--primary); cursor: pointer; font: inherit; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin-bottom: 12px; }
.filters label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); }
input, select, textarea { font: inherit; padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--fg); }
input:focus, select:focus, textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--primary); }
.pager { display: flex; gap: 6px; margin-top: 12px; align-items: center; }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #111827; }
.login-card { background: #fff; padding: 28px; border-radius: 10px; width: 340px; display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { text-align: center; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.login-card small { color: var(--muted); }
.login-card .btn { padding: 8px; }

h3 { font-size: 13px; margin: 8px 0 6px; color: var(--muted); }
.panel-danger { border-color: #fca5a5; box-shadow: inset 4px 0 0 var(--danger); }
.kv { display: flex; flex-wrap: wrap; gap: 18px; }
.kv b { font-size: 16px; }
.txt-danger { color: var(--danger); }
.filters .chk span { display: flex; align-items: center; gap: 4px; color: var(--fg); font-size: 13px; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); }
.actions form { display: inline-flex; gap: 6px; align-items: center; }
.tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--border); }
.tabs a { padding: 6px 14px; border-radius: 6px 6px 0 0; color: var(--muted); }
.tabs a.active { background: var(--card); border: 1px solid var(--border); border-bottom-color: var(--card); color: var(--fg); margin-bottom: -1px; }
.approval { margin-bottom: 12px; }
.approval-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.hist { margin: 8px 0 0; padding-left: 18px; font-size: 13px; color: #92400e; }
.chart { display: flex; align-items: flex-end; gap: 4px; height: 140px; padding: 4px 0 18px; }
.chart .col { flex: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; position: relative; }
.chart .colbar { background: var(--primary); border-radius: 3px 3px 0 0; min-height: 1px; }
.chart .collbl { position: absolute; bottom: -16px; left: 0; right: 0; text-align: center; font-size: 10px; color: var(--muted); }
.pre { white-space: pre-wrap; word-break: break-word; }

.settings-group { margin-bottom: 16px; scroll-margin-top: 60px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px 18px; margin-bottom: 10px; }
.form-grid.one { grid-template-columns: 1fr; max-width: 360px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.form-grid small { color: var(--muted); font-size: 11px; }
.form-grid textarea { resize: vertical; }
.form-actions { grid-column: 1 / -1; }
.switch { display: flex; align-items: center; gap: 6px; height: 32px; }
.row-form { display: inline-flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.row-form select, .row-form input { padding: 2px 6px; font-size: 12px; }
.qr svg { width: 180px; height: 180px; background: #fff; }
code { background: #f3f4f6; padding: 1px 5px; border-radius: 4px; font-size: 12px; }