:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #172033;
  --muted: #647089;
  --line: #e3e9f2;
  --nav: #101a2d;
  --nav2: #17243d;
  --blue: #2563eb;
  --blue-soft: #e8efff;
  --green: #0f9f6e;
  --green-soft: #e7f8f0;
  --amber: #b7791f;
  --amber-soft: #fff7e6;
  --red: #c2413b;
  --red-soft: #ffefed;
  --violet: #7c3aed;
  --shadow: 0 10px 30px rgba(22, 35, 58, .06);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
body.app { display: flex; min-height: 100vh; }
.sidebar { width: 236px; flex: 0 0 236px; background: var(--nav); color: #dbe7ff;
  padding: 22px 14px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 10px; align-items: center; padding: 4px 10px 22px; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg,#3b82f6,#22d3ee);
  display: grid; place-items: center; font-weight: 800; color: #fff; font-size: 16px; }
.brand-title { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: .3px; }
.brand-sub { font-size: 11px; color: #8fa5c7; margin-top: 3px; }
.nav-section { font-size: 10px; letter-spacing: 1.4px; color: #6f86aa; padding: 18px 12px 8px; text-transform: uppercase; }
.nav a { display: flex; align-items: center; gap: 9px; padding: 10px 12px; border-radius: 8px;
  color: #b9cae5; font-size: 13px; margin: 2px 0; text-decoration: none; }
.nav a:hover { background: var(--nav2); color: #fff; text-decoration: none; }
.nav a.active { background: #1d3557; color: #fff; box-shadow: inset 3px 0 0 #38bdf8; }
.nav-icon { width: 18px; text-align: center; opacity: .9; }
.sidebar-foot { margin-top: auto; border-top: 1px solid #243451; padding: 14px 10px 0; font-size: 12px; }
.user-name { color: #fff; font-weight: 600; }
.user-role { color: #8fa5c7; margin-top: 2px; }
.logout { margin-top: 10px; }
.logout button { width: 100%; background: transparent; border: 1px solid #334b70; color: #b9cae5;
  border-radius: 7px; padding: 7px; cursor: pointer; font-size: 12px; }
.logout button:hover { border-color: #5d7da8; color: #fff; }
.main { flex: 1; min-width: 0; padding: 26px 32px 48px; }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
.page-title { font-size: 24px; margin: 0 0 5px; letter-spacing: -.3px; }
.page-sub { color: var(--muted); font-size: 13px; margin: 0; }
.top-actions { display: flex; gap: 9px; flex-wrap: wrap; justify-content: flex-end; }
.flash { background: var(--blue-soft); color: #1e4ba8; border: 1px solid #cddcff; border-radius: 9px;
  padding: 10px 14px; margin-bottom: 18px; font-size: 13px; }
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.card-pad { padding: 18px 20px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px; border-bottom: 1px solid var(--line); }
.card-title { font-size: 14px; font-weight: 700; margin: 0; }
.card-body { padding: 16px 20px; }
.stat { padding: 17px 18px; }
.stat-label { font-size: 12px; color: var(--muted); }
.stat-value { font-size: 27px; font-weight: 750; margin-top: 4px; letter-spacing: -.5px; }
.stat-note { font-size: 11px; color: var(--muted); margin-top: 3px; }
.stat-accent { border-top: 3px solid var(--blue); }
.stat-green { border-top-color: var(--green); }
.stat-amber { border-top-color: var(--amber); }
.stat-red { border-top-color: var(--red); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-size: 11px; letter-spacing: .4px; text-transform: uppercase;
  padding: 11px 12px; background: #f8fafd; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 12px; border-bottom: 1px solid #edf1f7; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: #fbfcff; }
.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.tiny { font-size: 11px; }
.nowrap { white-space: nowrap; }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge-success { background: var(--green-soft); color: var(--green); }
.badge-info { background: var(--blue-soft); color: var(--blue); }
.badge-warning { background: var(--amber-soft); color: var(--amber); }
.badge-danger { background: var(--red-soft); color: var(--red); }
.badge-neutral { background: #eef1f6; color: #5b687d; }
.badge-violet { background: #f1eafe; color: var(--violet); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid transparent;
  border-radius: 8px; padding: 8px 13px; font-size: 12px; font-weight: 650; cursor: pointer;
  background: var(--blue); color: #fff; text-decoration: none; }
.btn:hover { filter: brightness(.96); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { background: #f8fafd; }
.btn-danger { background: var(--red); color: #fff; }
.btn-small { padding: 5px 9px; font-size: 11px; border-radius: 6px; }
.inline-form { display: inline; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-size: 12px; font-weight: 650; margin-bottom: 6px; }
input, select, textarea { width: 100%; border: 1px solid #d8e1ee; border-radius: 8px; padding: 9px 11px;
  font-size: 13px; font-family: inherit; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid #cfe0ff; border-color: #7ba6f8; }
textarea { resize: vertical; }
.help { color: var(--muted); font-size: 11px; margin-top: 5px; line-height: 1.5; }
.error-box { background: var(--red-soft); color: #9f2f2a; border: 1px solid #f6c9c4; border-radius: 8px;
  padding: 10px 12px; font-size: 13px; margin-bottom: 16px; }
.token-box { background: #0d1728; color: #b9f6d8; border-radius: 10px; padding: 14px 16px; margin: 12px 0;
  font-family: Consolas, monospace; font-size: 12px; word-break: break-all; }
.warning-box { background: var(--amber-soft); border: 1px solid #f3dfb0; color: #8a5d12;
  border-radius: 9px; padding: 12px 14px; font-size: 12px; margin-bottom: 16px; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 10px 16px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
pre.log { background: #0d1728; color: #d7e5ff; border-radius: 9px; padding: 14px 16px;
  font-family: "SFMono-Regular", Consolas, monospace; font-size: 11.5px; line-height: 1.6;
  overflow: auto; max-height: 430px; white-space: pre-wrap; word-break: break-word; margin: 0; }
pre.code { background: #f7f9fc; border: 1px solid var(--line); border-radius: 8px; padding: 12px;
  font-family: Consolas, monospace; font-size: 11.5px; overflow: auto; max-height: 360px; white-space: pre-wrap; }
.tabs { display: flex; gap: 6px; margin: 0 0 16px; flex-wrap: wrap; }
.tab { border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 7px;
  padding: 6px 11px; font-size: 12px; cursor: pointer; }
.tab.active { background: var(--blue-soft); color: var(--blue); border-color: #cfe0ff; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.filter-bar .field { min-width: 150px; }
hr.sep { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }
.empty { text-align: center; color: var(--muted); padding: 28px 10px; font-size: 13px; }
.pill-list { display: flex; gap: 6px; flex-wrap: wrap; }
.pill { background: #f1f5fb; color: #52627c; border-radius: 6px; padding: 3px 7px; font-size: 11px; }
.section-gap { margin-top: 18px; }
@media (max-width: 1120px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 880px) {
  body.app { display: block; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; flex-wrap: wrap; padding: 12px; }
  .brand { padding: 4px 10px; }
  .nav { display: flex; flex-wrap: wrap; gap: 2px; width: 100%; }
  .nav-section { display: none; }
  .nav a { padding: 7px 9px; }
  .sidebar-foot { display: none; }
  .main { padding: 20px 16px 40px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 110px 1fr; }
}