:root {
  --fg: #1a1d23;
  --muted: #6b7280;
  --bg: #fafafa;
  --card: #ffffff;
  --border: #e3e6ea;
  --accent: #2451b7;
  --accent-fg: #fff;
  --danger: #b91c1c;
  --ok: #15803d;
  --code-bg: #f3f4f6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.45;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 17px; margin: 0; }
.topbar h1 a { color: var(--fg); }
.topbar nav { display: flex; gap: 12px; align-items: center; }

main {
  max-width: 1024px;
  margin: 0 auto;
  padding: 24px;
}

.foot {
  text-align: center;
  color: var(--muted);
  padding: 24px;
}

button, .btn {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
button:hover, .btn:hover { border-color: #aaa; }
button.primary, .btn.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}
button.primary:hover { filter: brightness(1.05); }
button.danger { color: var(--danger); }
button.ghost { background: transparent; }

input[type=text], input[type=password], textarea, select {
  font: inherit;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--card);
  width: 100%;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 16px;
}

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 200px; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; color: var(--muted); font-weight: 600; }

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--code-bg);
  color: var(--muted);
}
.badge.ok { background: #dcfce7; color: var(--ok); }
.badge.warn { background: #fef3c7; color: #92400e; }

.muted { color: var(--muted); }
.flex { display: flex; align-items: center; gap: 8px; }
.between { justify-content: space-between; }
.right { text-align: right; }
.gap { margin-top: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.pill { font-size: 11px; padding: 1px 6px; border: 1px solid var(--border); border-radius: 99px; color: var(--muted); }

.toast {
  position: fixed;
  bottom: 16px;
  right: 16px;
  background: #1a1d23;
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  opacity: 0;
  transition: opacity .15s ease;
  pointer-events: none;
  max-width: 360px;
}
.toast.show { opacity: 1; }
.toast.error { background: var(--danger); }

.lang-grid {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px;
  align-items: center;
}
.lang-grid label { margin: 0; }

h2 { margin: 0 0 12px; font-size: 18px; }
h3 { margin: 16px 0 8px; font-size: 14px; }

.crumbs { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.crumbs a { color: var(--muted); }