:root {
  color-scheme: light dark;
  --fg: #0f172a;
  --fg-muted: #64748b;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --accent: #0f172a;
  --accent-fg: #ffffff;
  --danger: #b91c1c;
  --warning: #b45309;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f1f5f9;
    --fg-muted: #94a3b8;
    --bg: #0f172a;
    --surface: #1e293b;
    --border: #334155;
    --accent: #38bdf8;
    --accent-fg: #0f172a;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}
header h1 { font-size: 1.1rem; margin: 0; }
nav { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
nav a { color: var(--fg); text-decoration: none; }
nav a:hover { text-decoration: underline; }
main {
  padding: 1rem;
  max-width: 720px;
  margin: 0 auto;
}
.muted { color: var(--fg-muted); }
.error { color: var(--danger); }
.warning { color: var(--warning); }
button {
  font: inherit;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  border-radius: 6px;
  cursor: pointer;
}
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
button.danger { color: var(--danger); border-color: var(--danger); }
input, textarea {
  font: inherit;
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  border-radius: 6px;
}
label { display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 0.75rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}
body.login main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}
body.login .card { max-width: 360px; width: 100%; }

.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.item-list a {
  display: block;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--fg);
  text-decoration: none;
}
.item-list .name { font-weight: 600; }
.item-list .meta { font-size: 0.85rem; color: var(--fg-muted); }
.search-bar { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.search-bar input { flex: 1; }

.history {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.history li {
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--border);
  background: var(--surface);
  border-radius: 4px;
}
.history time { color: var(--fg-muted); font-size: 0.85rem; }
.history pre {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.token-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  background: var(--surface);
}
.token-row.revoked { opacity: 0.5; }
.token-row .meta { font-size: 0.85rem; color: var(--fg-muted); }
.minted-token {
  background: var(--surface);
  border: 1px solid var(--warning);
  padding: 0.75rem;
  border-radius: 8px;
  margin: 1rem 0;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}