:root {
  color-scheme: light;
  --blue: #2276ff;
  --blue-text: #185fc7;
  --navy: #232c3f;
  --navy-deep: #1c2434;
  --nav-text: #d7dfed;
  --page: #f1f3f6;
  --white: #fff;
  --ink: #263143;
  --muted: #596679;
  --line: #dce2e9;
  --line-soft: #e8ecf0;
  --radius: 5px;
  --header-size: 54px;
  --sidebar-size: 214px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", Inter, "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; color: var(--ink); background: var(--page); }
button, input, select { font: inherit; color: inherit; }
a { color: var(--blue-text); }
button { cursor: pointer; }
button:disabled { cursor: default; }
h1, h2, h3, p { margin-block: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed;
  z-index: 10;
  inset: 8px auto auto 10px;
  padding: 8px 12px;
  background: var(--white);
  border: 1px solid var(--blue);
  border-radius: var(--radius);
}

.topbar {
  position: sticky;
  z-index: 3;
  inset-block-start: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--header-size);
  padding: 0 21px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.brand, .environment { display: flex; align-items: center; }
.brand { gap: 13px; min-width: 0; }
.brand-mark {
  color: var(--blue);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.055em;
  white-space: nowrap;
}
.brand-title {
  padding-inline-start: 13px;
  border-inline-start: 1px solid var(--line);
  font-size: 15px;
  font-weight: 650;
  white-space: nowrap;
}
.environment {
  gap: 7px;
  padding: 4px 9px;
  border: 1px solid #d9e6f9;
  border-radius: 4px;
  color: #416080;
  background: #f4f8fe;
  font-size: 12px;
  white-space: nowrap;
}
.environment-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.admin-layout {
  display: grid;
  grid-template-columns: var(--sidebar-size) minmax(0, 1fr);
  align-items: start;
  min-height: calc(100vh - var(--header-size));
}

#sidebar {
  position: sticky;
  inset-block-start: var(--header-size);
  height: calc(100vh - var(--header-size));
  padding: 10px 0 18px;
  overflow: auto;
  background: var(--navy);
  color: var(--nav-text);
}

#admin-nav { display: grid; gap: 2px; }
#admin-nav ul, #admin-nav ol { margin: 0; padding: 0; list-style: none; }
#admin-nav a { color: inherit; text-decoration: none; }
.nav-group { margin: 0; }
.nav-group > summary {
  position: relative;
  list-style: none;
  padding-inline-end: 32px;
}
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary::after {
  position: absolute;
  inset-inline-end: 17px;
  inset-block-start: 50%;
  width: 6px;
  height: 6px;
  border-inline-end: 1px solid currentColor;
  border-block-end: 1px solid currentColor;
  transform: translateY(-65%) rotate(45deg);
  content: "";
}
.nav-group[open] > summary::after { transform: translateY(-15%) rotate(225deg); }
.nav-group > summary,
.nav-item,
.nav-button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 41px;
  padding: 8px 17px;
  border: 0;
  border-inline-start: 3px solid transparent;
  color: inherit;
  background: transparent;
  text-align: start;
  cursor: pointer;
}
.nav-group > summary { font-weight: 550; }
.nav-group > summary:hover, .nav-button:hover, .nav-item:hover { background: #2c384d; }
.nav-items { background: var(--navy-deep); }
.nav-items .nav-item, .nav-items .nav-button { padding-inline-start: 35px; font-size: 13px; }
#admin-nav :is(.nav-item, .nav-button, a)[aria-current="page"],
#admin-nav :is(.nav-item, .nav-button).active,
#admin-nav :is(.nav-item, .nav-button).is-active {
  border-inline-start-color: #70a7ff;
  color: var(--white);
  background: #174d9e;
  font-weight: 600;
}
#admin-nav :focus-visible { outline-color: #9dc5ff; outline-offset: -3px; }

#work-area { min-width: 0; min-height: calc(100vh - var(--header-size)); }
#work-area:focus { outline: none; }
#breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 40px;
  padding: 5px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: var(--white);
  font-size: 13px;
}
#breadcrumbs a { text-decoration: none; }
#breadcrumbs [aria-current="page"] { color: var(--ink); font-weight: 600; }
#app { display: grid; gap: 14px; padding: 17px 19px 32px; }

.page-title {
  margin-block-end: 3px;
  font-size: 19px;
  font-weight: 650;
  line-height: 1.35;
}
.muted { color: var(--muted); }
.card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.card > :is(h2, h3) { margin-block-end: 12px; font-size: 15px; font-weight: 650; }

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 155px), 1fr));
  gap: 12px;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.metric :is(strong, .metric-value) {
  font-size: 25px;
  line-height: 1.3;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}
.metric :is(span, small, .metric-label) { color: var(--muted); }
.metric .metric-value { color: var(--ink); }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 9px 12px;
  margin-block-end: 14px;
}
.filter-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  min-width: 0;
}
.toolbar :is(input, select, button), .pagination :is(button, select, a) {
  min-height: 33px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
}
.toolbar :is(input, select) { max-width: 100%; padding: 5px 9px; }
.toolbar input::placeholder { color: #6d7988; opacity: 1; }
.toolbar button, .pagination :is(button, a) { padding: 4px 10px; }
.toolbar button:not(:disabled):hover, .pagination :is(button, a):not(:disabled):hover { border-color: var(--blue); }
.primary-button, .toolbar .primary-button {
  min-height: 33px;
  padding: 5px 13px;
  border: 1px solid var(--blue-text);
  border-radius: 4px;
  color: var(--white);
  background: var(--blue-text);
  font-weight: 550;
}
.primary-button:not(:disabled):hover { background: #1551ab; }

.table-wrap {
  max-width: 100%;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table-wrap table { min-width: max(100%, 640px); }
th, td {
  padding: 9px 11px;
  border-block-end: 1px solid var(--line-soft);
  text-align: start;
  vertical-align: middle;
}
th { color: #414f61; background: #f4f6f9; font-weight: 650; white-space: nowrap; }
td { overflow-wrap: anywhere; }
tbody tr:nth-child(even) { background: #fafbfd; }
tbody tr:hover { background: #f1f6ff; }
tbody tr:last-child td { border-block-end: 0; }
.table-wrap td.numeric, .table-wrap th.numeric { text-align: end; font-variant-numeric: tabular-nums; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 7px;
  border: 1px solid #dbe3ed;
  border-radius: 4px;
  color: #4a5c72;
  background: #f2f5f9;
  font-size: 12px;
  white-space: nowrap;
}
.status-pill:is(.success, .positive, .status-success, [data-tone="success"]) {
  border-color: #cae9d5;
  color: #21633c;
  background: #edf8f1;
}
.status-pill:is(.warning, .pending, .status-warning, [data-tone="warning"]) {
  border-color: #ecdcb6;
  color: #7a510e;
  background: #fffae9;
}
.status-pill:is(.danger, .negative, .status-danger, [data-tone="danger"]) {
  border-color: #f2d1d4;
  color: #952c39;
  background: #fff0f1;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  margin-block-start: 13px;
  color: var(--muted);
  font-size: 13px;
}
.pagination :is(a, button) { color: var(--ink); text-decoration: none; }
.pagination [aria-current="page"] { border-color: var(--blue); color: var(--blue-text); }
.pagination button:disabled { color: #728094; background: #f3f5f8; }
.empty-state { padding: 36px 14px; text-align: center; color: var(--muted); }

@media (max-width: 930px) {
  :root { --sidebar-size: 179px; }
  #app { padding-inline: 13px; }
  .card { padding: 12px; }
}

@media (max-width: 680px) {
  :root { --header-size: 50px; }
  .topbar { padding-inline: 12px; }
  .brand { gap: 8px; }
  .brand-mark { font-size: 18px; }
  .brand-title { font-size: 13px; padding-inline-start: 8px; }
  .admin-layout { grid-template-columns: minmax(0, 1fr); }
  #sidebar { position: static; height: auto; max-height: 36vh; padding-block: 3px; }
  #admin-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  #breadcrumbs { padding-inline: 12px; }
  #app { padding-inline: 9px; }
}