:root {
  --bg: #f4f6f3;
  --card: #fff;
  --accent: #5b7c5a;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --border: #e2e8e0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.top {
  padding: 24px 20px 8px;
  max-width: 960px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { margin: 0; font-size: 1.5rem; }
.logo { width: 36px; height: 42px; display: inline-block; }
.logo .askpaca-mascot-img, .logo .askpaca-mascot-svg { width: 100%; height: auto; }
.tagline { margin: 4px 0 0; color: var(--muted); }
.layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 20px 40px;
  display: grid;
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card h2 { margin: 0 0 12px; font-size: 1.1rem; }
.muted { color: var(--muted); }
.form-grid {
  display: grid;
  gap: 12px;
}
.field { display: flex; flex-direction: column; gap: 4px; font-size: 0.9rem; }
.field input, .field select, .field textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
}
button {
  border: 1px solid var(--border);
  background: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}
button.primary, button[type="submit"] {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.result {
  margin-top: 12px;
  padding: 10px 12px;
  background: #f0f7ef;
  border-radius: 8px;
  font-size: 0.9rem;
  word-break: break-all;
}
.tenant-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}
.tenant-list li {
  border-top: 1px solid var(--border);
  padding: 12px 0;
  font-size: 0.92rem;
}
.tenant-list code { font-size: 0.85rem; }
.foot {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px 32px;
  color: var(--muted);
  font-size: 0.85rem;
}
@media (min-width: 720px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid button[type="submit"] { grid-column: 1 / -1; }
}