:root {
  --fg: #1a1a1a;
  --muted: #666;
  --border: #d0d0d0;
  --accent: #2563eb;
  --danger: #b91c1c;
  --bg-alt: #f6f6f6;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--fg);
  margin: 0;
  line-height: 1.4;
}

header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

header h1 { margin: 0 0 0.5rem; font-size: 1.3rem; }

nav button {
  margin-right: 0.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  border-radius: 4px;
}
nav button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

main { padding: 1.5rem; max-width: 980px; }

#status { min-height: 1.2rem; color: var(--muted); }
#status.error { color: var(--danger); }

form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1.25rem;
  padding: 1rem;
  background: var(--bg-alt);
  border-radius: 6px;
}
form h3 { width: 100%; margin: 0 0 0.25rem; font-size: 1rem; }

label { display: flex; flex-direction: column; font-size: 0.85rem; gap: 0.25rem; }
label.checkbox { flex-direction: row; align-items: center; gap: 0.4rem; }

input, select {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}

button[type="submit"], main button {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
}
main table button { margin-right: 0.3rem; padding: 0.25rem 0.55rem; font-size: 0.8rem; }
main button.danger { background: var(--danger); border-color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-alt); }

/* Pool: email-id link + read-only detail panel */
a.email-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; color: var(--accent); text-decoration: none; }
a.email-id:hover { text-decoration: underline; }

#email-detail { margin-top: 1.25rem; padding: 1rem; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-alt); }
#email-detail .detail-head { display: flex; justify-content: space-between; align-items: center; }
#email-detail h3 { margin: 0; font-size: 1rem; }
#email-detail h4 { margin: 0.9rem 0 0.3rem; font-size: 0.85rem; color: var(--muted); }
#email-detail-meta { display: grid; grid-template-columns: max-content 1fr; gap: 0.15rem 0.75rem; margin: 0.5rem 0 0; font-size: 0.85rem; }
#email-detail-meta dt { color: var(--muted); }
#email-detail-meta dd { margin: 0; word-break: break-all; }
#email-detail-body { white-space: pre-wrap; word-break: break-word; max-height: 320px; overflow: auto; background: #fff; border: 1px solid var(--border); border-radius: 4px; padding: 0.6rem; font-size: 0.82rem; margin: 0; }
#email-detail-attachments { margin: 0.3rem 0 0; padding-left: 1.2rem; font-size: 0.82rem; }

/* Services: one-time key banner */
.key-banner { margin: 0 0 1.25rem; padding: 0.8rem 1rem; border: 1px solid var(--accent); border-radius: 6px; background: #eef3ff; display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; }
.key-banner strong { width: 100%; font-size: 0.9rem; }
.key-banner input { flex: 1; min-width: 240px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; }