:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #fafafa;
  --card: #fff;
  --border: #ddd;
  --accent: #2563eb;
  --danger: #dc2626;
  --ok: #16a34a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #eee;
    --bg: #121212;
    --card: #1c1c1c;
    --border: #333;
  }
}
* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  margin: 0;
}
.topbar {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.container { max-width: 900px; margin: 0 auto; padding: 1.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; }
input, textarea {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}
button {
  padding: 0.55rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
}
button.btn-reject { background: var(--danger); }
button.btn-approve { background: var(--ok); }
button.link-button { background: none; color: var(--accent); text-decoration: underline; padding: 0; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0 2rem; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.actions { display: flex; gap: 0.4rem; }
.admin-header { display: flex; justify-content: space-between; align-items: center; }
.flashes { list-style: none; padding: 0; }
.flash { padding: 0.6rem 0.9rem; border-radius: 6px; margin-bottom: 1rem; }
.flash-error { background: #fee2e2; color: #991b1b; }
.flash-success { background: #dcfce7; color: #166534; }
code { background: rgba(127,127,127,0.15); padding: 0.1rem 0.35rem; border-radius: 4px; }

.key-card { max-width: 560px; gap: 1.1rem; }
.key-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; opacity: 0.65; }
.key-value { margin-top: 0.15rem; }
.key-value-big code { font-size: 1.4rem; padding: 0.4rem 0.6rem; }
.key-row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.hint { font-size: 0.85rem; opacity: 0.75; }
button.btn-copy { background: var(--accent); }
button.btn-copy.copied { background: var(--ok); }
button.btn-copy-small { font-size: 0.75rem; padding: 0.2rem 0.5rem; margin-left: 0.4rem; }