* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  color: #172033;
  background: #f5f7fb;
}
a { color: #0f62fe; text-decoration: none; }
.topbar {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  color: #fff;
  background: #172033;
}
.brand { font-weight: 700; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar a { color: #dbeafe; }
.session-actions form { margin: 0; }
.page { max-width: 1280px; margin: 0 auto; padding: 24px; }
h1 { margin: 0 0 18px; font-size: 28px; }
h2 { margin: 0 0 14px; font-size: 18px; }
.panel {
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}
.narrow { max-width: 440px; margin: 48px auto; }
.grid.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.metrics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.metrics div {
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 8px;
  padding: 14px;
}
.metrics span { display: block; color: #667085; font-size: 13px; }
.metrics strong { display: block; margin-top: 8px; font-size: 20px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-bottom: 1px solid #e5e9f2; padding: 10px; text-align: left; vertical-align: top; }
th { color: #475467; background: #f9fafb; font-weight: 600; }
.stack { display: grid; gap: 12px; }
.inline-form { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; }
.mini-form { display: grid; gap: 6px; min-width: 260px; }
label { display: grid; gap: 6px; font-weight: 600; color: #344054; }
label.check { display: flex; flex-direction: row; gap: 8px; align-items: center; }
input, select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}
textarea { min-height: 84px; resize: vertical; }
button, .button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  color: #172033;
  background: #fff;
  cursor: pointer;
}
button.primary, .primary { color: #fff; border-color: #0f62fe; background: #0f62fe; }
button:disabled { opacity: .55; cursor: not-allowed; }
.flash {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #fff;
}
.flash.success { border-color: #22c55e; background: #f0fdf4; }
.flash.error { border-color: #ef4444; background: #fef2f2; }
.secret-block { margin-top: 10px; display: grid; gap: 4px; }
code {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  padding: 4px 7px;
  border-radius: 6px;
  background: #eef2ff;
}
dl { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; margin: 0; }
dt { color: #667085; }
dd { margin: 0; overflow-wrap: anywhere; }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tabs a { padding: 7px 10px; border: 1px solid #cbd5e1; border-radius: 6px; color: #344054; }
.tabs a.active { color: #fff; border-color: #0f62fe; background: #0f62fe; }
.notice { padding: 10px 12px; border-radius: 8px; background: #fff7ed; border: 1px solid #fed7aa; }
.actions { display: flex; gap: 10px; }
@media (max-width: 900px) {
  .topbar { flex-wrap: wrap; padding: 12px 16px; }
  .topbar nav { order: 3; width: 100%; flex-wrap: wrap; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.two { grid-template-columns: 1fr; }
  .page { padding: 16px; }
}