:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #172033;
  --muted: #6b7688;
  --line: #e4e9f2;
  --accent: #1d4ed8;
  --accent-2: #0f766e;
  --danger: #b42318;
  --warn: #a15c00;
  --ok: #1a7f37;
  --shadow: 0 10px 30px rgba(20, 32, 60, .06);
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.right { text-align: right; }
.error { color: var(--danger); min-height: 18px; margin: 8px 0 0; font-size: 12px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 14px; }
.hint code { background: #eef2f7; padding: 1px 5px; border-radius: 4px; }

.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: .15s ease;
}
.btn:hover { border-color: #c8d2e3; background: #f8fafc; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #1a43b8; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  background: #fff;
  color: var(--text);
  outline: none;
}
.input:focus { border-color: #9db4e8; box-shadow: 0 0 0 3px rgba(29, 78, 216, .08); }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > span { font-size: 11px; color: var(--muted); letter-spacing: .02em; }
.field input, .field select { height: 36px; }
.field input, .field select, .field textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  font-size: 13px; background: #fff; color: var(--text); outline: none;
}
.field input:focus, .field select:focus { border-color: #9db4e8; box-shadow: 0 0 0 3px rgba(29, 78, 216, .08); }
.field input:disabled { background: #f3f5f9; color: var(--muted); }
.key-row { display: flex; align-items: center; gap: 8px; }
.key-row input { flex: 1 1 auto; min-width: 0; }
.key-row .btn { flex: 0 0 auto; white-space: nowrap; height: 36px; padding: 0 12px; }
.switch-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.switch-row input { width: 16px; height: 16px; }
.span2 { grid-column: span 2; }

/* login */
.login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 500px at 20% -10%, #dbe6ff 0%, transparent 60%),
              radial-gradient(900px 400px at 100% 100%, #d9f3ee 0%, transparent 60%), var(--bg);
  padding: 20px;
}
.login-card {
  width: 360px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; padding: 30px 28px; box-shadow: var(--shadow);
}
.login-card h1 { margin: 10px 0 4px; font-size: 21px; }
.login-card .field { margin-top: 20px; }
.login-card .btn { margin-top: 14px; height: 40px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, #1d4ed8, #0f766e); color: #fff; font-size: 22px;
}
.brand-mark.small { width: 34px; height: 34px; font-size: 18px; border-radius: 10px; }

/* shell */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 224px; flex: 0 0 224px; background: #0f172a; color: #cbd5e1;
  display: flex; flex-direction: column; padding: 18px 14px; position: sticky; top: 0; height: 100vh;
}
.sidebar nav { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 4px 6px 22px; }
.sidebar-brand strong { display: block; color: #fff; font-size: 14px; }
.sidebar-brand small { color: #8fa0b8; font-size: 11px; }
.nav {
  display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: transparent;
  color: #a9b8cc; padding: 10px 12px; border-radius: 9px; font-size: 13px; cursor: pointer; text-align: left;
}
.nav span { width: 18px; text-align: center; opacity: .8; }
.nav:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav.active { background: rgba(59,130,246,.18); color: #fff; }
.nav-bottom { margin-top: auto; }
.sidebar-foot { margin-top: 8px; display: flex; align-items: center; gap: 8px; padding: 14px 8px 2px; font-size: 11px; color: #8fa0b8; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #64748b; }
.dot.on { background: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,.15); }

.main { flex: 1; min-width: 0; padding: 26px 30px 60px; }
.topbar { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 22px; }
.topbar h2 { margin: 0; font-size: 22px; letter-spacing: -.01em; }
.topbar p { margin: 4px 0 0; }
.topbar-actions { display: flex; gap: 8px; }

.tab { display: flex; flex-direction: column; gap: 16px; }
.cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.card-head h3 { margin: 0; font-size: 13px; font-weight: 650; }
.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-label { color: var(--muted); font-size: 11px; letter-spacing: .03em; text-transform: uppercase; }
.stat-value { font-size: 24px; font-weight: 700; margin-top: 6px; letter-spacing: -.02em; }
.stat-sub { color: var(--muted); font-size: 11px; margin-top: 4px; }

.chart { display: flex; align-items: flex-end; gap: 6px; height: 150px; padding-top: 10px; }
.chart .bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.chart .bar { width: 100%; max-width: 26px; background: linear-gradient(180deg, #3b82f6, #1d4ed8); border-radius: 4px 4px 2px 2px; min-height: 2px; }
.chart .bar.empty { background: #e6ebf4; }
.chart .bar-label { font-size: 9px; color: var(--muted); white-space: nowrap; }

.mini-list { display: flex; flex-direction: column; gap: 8px; }
.mini-row { display: flex; align-items: center; gap: 10px; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed #edf1f7; font-size: 12px; }
.mini-row:last-child { border-bottom: 0; }
.mini-main { min-width: 0; }
.mini-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-sub { color: var(--muted); font-size: 11px; margin-top: 1px; }
.mini-value { flex: 0 0 auto; text-align: right; color: var(--muted); }
.mini-value strong { color: var(--text); font-weight: 600; }

.toolbar { display: flex; justify-content: space-between; align-items: flex-end; gap: 14px; }
.toolbar h3 { margin: 0; font-size: 16px; }
.toolbar p { margin: 4px 0 0; }
.toolbar-actions { display: flex; gap: 8px; align-items: center; }

.table-card { padding: 0; overflow: hidden; }
.table { width: 100%; border-collapse: collapse; font-size: 12px; }
.table th {
  text-align: left; font-weight: 600; color: var(--muted); background: var(--panel-2);
  padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.table td { padding: 11px 12px; border-bottom: 1px solid #eef2f7; vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #fafbfe; }
.table .actions { display: flex; gap: 6px; justify-content: flex-end; }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px 2px; }
.user-picker { position: relative; display: flex; align-items: center; gap: 6px; }
.user-picker input { width: 230px; }
.user-picker-results {
  position: absolute; top: 40px; right: 0; z-index: 30;
  min-width: 280px; max-height: 260px; overflow-y: auto;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, .12); padding: 4px;
}
.user-picker-results button {
  display: block; width: 100%; text-align: left; background: none;
  border: 0; padding: 8px 10px; border-radius: 6px; cursor: pointer;
}
.user-picker-results button:hover { background: #f5f7fb; }
.user-picker-results .mini-title { display: block; }
.user-picker-results .mini-sub { display: block; }
.user-picker-empty { padding: 10px; color: var(--muted); font-size: 12px; }
.pager .actions { display: flex; gap: 6px; }
.table .empty { padding: 26px; text-align: center; color: var(--muted); }

.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px;
  font-size: 10px; background: #eef2f7; color: #475569; white-space: nowrap;
}
.badge.ok { background: #e8f5ec; color: var(--ok); }
.badge.warn { background: #fff4e5; color: var(--warn); }
.badge.danger { background: #fdecec; color: var(--danger); }
.badge.mono { font-family: ui-monospace, Menlo, monospace; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.toolbar .input { min-width: 210px; }
.toolbar .audit-filter { min-width: 0; width: 170px; }
.icon-btn { border: 0; background: transparent; font-size: 22px; line-height: 1; color: var(--muted); cursor: pointer; }
.icon-btn:hover { color: var(--text); }

/* modal */
.modal {
  position: fixed; inset: 0; background: rgba(12, 20, 36, .42); display: flex; align-items: center;
  justify-content: center; padding: 20px; z-index: 30;
}
.modal-card {
  width: 720px; max-width: 96vw; max-height: 90vh; overflow: auto; background: var(--panel);
  border-radius: 16px; box-shadow: 0 30px 80px rgba(10,20,40,.28);
}
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 20px 22px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 22px; border-top: 1px solid var(--line); background: var(--panel-2); }
.modal .form-grid { gap: 12px 14px; }
.code-box {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px;
  background: #0f172a; color: #e2e8f0; border-radius: 10px; font-family: ui-monospace, Menlo, monospace;
  font-size: 16px; letter-spacing: .08em;
}
.code-box button { background: #1e293b; color: #e2e8f0; border: 1px solid #334155; }
.modal-note { color: var(--muted); font-size: 12px; margin-top: 12px; line-height: 1.6; }

/* toast */
.toast {
  position: fixed; right: 22px; bottom: 22px; background: #0f172a; color: #fff;
  padding: 10px 14px; border-radius: 9px; font-size: 12px; z-index: 50; box-shadow: 0 10px 30px rgba(0,0,0,.2);
}
.toast.error { background: var(--danger); }

@media (max-width: 1180px) {
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid.two { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .sidebar { width: 64px; flex-basis: 64px; padding: 14px 8px; }
  .sidebar-brand div, .nav:not(.active)::after, .nav { font-size: 0; }
  .nav span { font-size: 15px; }
  .sidebar-foot { display: none; }
  .main { padding: 18px 14px 40px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .topbar { flex-direction: column; gap: 10px; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-actions { flex-wrap: wrap; }
}

.model-list { display: flex; flex-direction: column; gap: 6px; }
.model-row { display: flex; align-items: center; gap: 6px; }
.model-default { flex: 0 0 36px; text-align: center; font-size: 10px; padding: 2px 0; border-radius: 999px; background: #e7f7ed; color: #1a7f37; }
.model-order { flex: 0 0 36px; text-align: center; font-size: 11px; color: var(--muted); }
.model-row .model-input { flex: 1; min-width: 0; }
.model-action { height: 32px; padding: 0 8px; font-size: 11px; }
.model-add { align-self: flex-start; margin-top: 2px; }

.settings-card { max-width: 520px; }
.settings-card h3 { margin: 0 0 4px; font-size: 16px; }
.settings-card p { margin: 0; }
.settings-actions { display: flex; gap: 10px; margin-top: 18px; }