:root {
  --bg: #f6f7f9;
  --fg: #1c2330;
  --muted: #6b7280;
  --accent: #2f6fed;
  --border: #e3e6eb;
  --danger: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

.site-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e3e6eb;
  background: #fff;
}

.brand { font-weight: 600; text-decoration: none; color: var(--fg); }

.site-main { max-width: 760px; margin: 2rem auto; padding: 0 1.5rem; }

.site-footer {
  max-width: 760px;
  margin: 3rem auto 2rem;
  padding: 0 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.card {
  background: #fff;
  border: 1px solid #e3e6eb;
  border-radius: 12px;
  padding: 1.75rem;
}

h1 { margin-top: 0; font-size: 1.4rem; }

.muted { color: var(--muted); }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  background: var(--accent);
  color: #fff;
}

button.link {
  background: none;
  color: var(--accent);
  padding: 0;
  text-decoration: underline;
}

#create-form { display: flex; gap: 0.5rem; margin: 1.25rem 0; }

#label {
  flex: 1;
  font: inherit;
  padding: 0.5rem 0.7rem;
  border: 1px solid #cdd2da;
  border-radius: 8px;
}

.new-key {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  background: #fff8e1;
  border: 1px solid #f0d98a;
  border-radius: 8px;
}

.new-key code, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-all;
}

table { width: 100%; border-collapse: collapse; margin-top: 1rem; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid #eef0f3; }
th { color: var(--muted); font-weight: 600; }

.error { color: var(--danger); }