:root {
  --bg: #f1f4f8;
  --card: #fff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #1d4ed8;
  --danger: #b91c1c;
  --ok: #15803d;
  --warn: #b45309;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); font-size: 13px; min-height: 1.2em; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 60% 50% at 20% 0%, rgba(29, 78, 216, 0.12), transparent),
    var(--bg);
}

.login-card {
  width: min(400px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 24px;
  display: grid;
  gap: 12px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.login-card h1 { margin: 0; font-size: 22px; }
.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.login-brand img {
  border-radius: 10px;
  flex-shrink: 0;
}
.login-card label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input, button, textarea, select { font: inherit; }

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
}

button {
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

button.danger {
  background: #fff;
  color: var(--danger);
  border: 1px solid #fecaca;
}

button.linkish, .linkish {
  background: transparent;
  color: var(--accent);
  border: 0;
  padding: 0;
  font-weight: 600;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

.app { min-height: 100vh; }

.top {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: #0b1220;
  color: #f8fafc;
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 180px; }
.brand-logo { border-radius: 8px; flex-shrink: 0; display: block; }
.top .muted { color: #94a3b8; }
.top .ghost { color: #e2e8f0; border-color: rgba(255,255,255,0.2); margin-left: auto; }

.role-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(96, 165, 250, 0.2);
  color: #bfdbfe;
  border: 1px solid rgba(147, 197, 253, 0.35);
}

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  background: transparent;
  border: 1px solid transparent;
  color: #cbd5e1;
  padding: 8px 12px;
}
.tab.active {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.18);
  color: #fff;
}

.page { padding: 16px 20px 28px; }

.overview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-title {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.page-desc {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.metric-group { margin-top: 16px; }

.group-title {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  text-transform: none;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat-grid.cols-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stat-grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 520px;
}

.stat-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0.7;
}

.stat.tone-ok::before { background: var(--ok); }
.stat.tone-warn::before { background: var(--warn); }
.stat.tone-danger::before { background: var(--danger); }
.stat.tone-muted::before { background: #94a3b8; }

.stat span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.stat strong {
  font-size: 28px;
  letter-spacing: -0.03em;
}

.stat em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  color: var(--muted);
  font-size: 12px;
}

.overview-split {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 16px;
  margin-top: 18px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.timeline li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fafc;
}

.timeline .when {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.timeline .what {
  font-size: 13px;
  line-height: 1.45;
}

.split {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 16px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  min-height: 420px;
}

.toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar input,
.toolbar select { flex: 1; min-width: 140px; }
.toolbar select { max-width: 160px; flex: 0 1 160px; }

.purchase-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid var(--line);
  font-size: 13px;
}

.chip strong { font-size: 15px; }

.table-wrap { overflow: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

tbody tr { cursor: pointer; }
tbody tr:hover, tbody tr.active { background: #f8fafc; }
tbody tr.static { cursor: default; }

.pager {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.ok { background: #dcfce7; color: var(--ok); }
.badge.off { background: #fee2e2; color: var(--danger); }
.badge.warn { background: #fef3c7; color: var(--warn); }
.badge.info { background: #dbeafe; color: var(--accent); }
.badge.muted { background: #f1f5f9; color: var(--muted); }
.badge.admin { background: #ede9fe; color: #6d28d9; }

.usage-sub {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.3;
}

.th-sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  margin-top: 2px;
}

.table-hint {
  margin: -4px 0 10px;
  font-size: 12px;
}

.perm-card {
  margin: 14px 0 4px;
  padding: 14px 16px;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
}

.perm-card h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.perm-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.perm-card code,
.perm-box code,
.login-card code {
  font-size: 12px;
  padding: 1px 5px;
  border-radius: 4px;
  background: #f1f5f9;
  color: #334155;
}

.perm-box {
  margin: 12px 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fafc;
  font-size: 13px;
  line-height: 1.5;
}

.perm-box strong { display: block; margin-bottom: 4px; }
.perm-box p { margin: 4px 0 0; color: var(--muted); }

.detail h2 .badge { margin-left: 8px; vertical-align: middle; }

.detail h2 { margin: 0 0 4px; font-size: 18px; }

.detail .meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  margin: 14px 0;
  font-size: 13px;
}

.detail .meta div {
  background: #f8fafc;
  border-radius: 8px;
  padding: 8px 10px;
}

.detail .meta span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 2px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 16px;
}

.form-box {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: 10px;
}

.form-box .row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.form-box .row > * { flex: 1; min-width: 110px; }

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.check input { width: auto; }

.sub-title {
  margin: 16px 0 8px;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 13px;
  max-height: 240px;
  overflow: auto;
}

.list li {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.note {
  margin: 0 0 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #eff6ff;
  color: #1e3a8a;
  font-size: 12px;
  line-height: 1.45;
}

.ai-key-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ai-key-form input {
  min-width: 180px;
  flex: 1;
}
.danger-text { color: var(--danger); }

@media (max-width: 1100px) {
  .stat-grid,
  .stat-grid.cols-5,
  .stat-grid.cols-3,
  .stat-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: none; }
  .split,
  .overview-split { grid-template-columns: 1fr; }
  .top { flex-wrap: wrap; }
  .top .ghost { margin-left: 0; }
}