:root {
  --primary: #1e88e5;
  --primary-dark: #1565c0;
  --text: #212121;
  --bg: #fafafa;
  --card-bg: #fff;
  --border: #e0e0e0;
  --success: #43a047;
  --warning: #ffb300;
  --danger: #e53935;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: var(--text); background: var(--bg); }
.container { max-width: 960px; margin: 0 auto; padding: 0 1rem; }
.site-header { background: var(--primary); color: white; padding: 1rem 0; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.site-header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.site-header a { color: white; text-decoration: none; }
.site-header .logo { font-size: 1.4rem; font-weight: 700; }
.site-header nav ul { list-style: none; display: flex; gap: 1.5rem; }
.site-header nav a { font-size: 0.95rem; opacity: 0.9; }
.site-header nav a:hover { opacity: 1; }
.site-footer { background: #eceff1; padding: 2rem 0; margin-top: 2rem; text-align: center; font-size: 0.9rem; color: #555; }
.site-footer nav a { color: var(--primary); margin: 0 0.5rem; }
section { padding: 3rem 0; }
h1, h2, h3 { line-height: 1.3; }
h1 { font-size: 2.2rem; margin-bottom: 1rem; }
h2 { font-size: 1.8rem; margin-bottom: 0.8rem; color: var(--primary-dark); }
p { margin-bottom: 1rem; }
.checker { background: var(--card-bg); border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); margin-top: 2rem; }
.form-group { margin-bottom: 1.5rem; }
label { display: block; font-weight: 600; margin-bottom: 0.5rem; }
select, input[type="text"] { width: 100%; padding: 0.6rem; border: 1px solid var(--border); border-radius: 4px; font-size: 1rem; }
.form-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
button { padding: 0.6rem 1.2rem; border: none; border-radius: 4px; font-size: 1rem; cursor: pointer; background: var(--primary); color: white; font-weight: 600; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: #78909c; }
.results-container { margin-top: 1.5rem; }
.vacuum-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; display: flex; align-items: flex-start; gap: 1rem; }
.vacuum-card .status-icon { font-size: 1.5rem; min-width: 2rem; text-align: center; }
.vacuum-card.compatible .status-icon { color: var(--success); }
.vacuum-card.warning .status-icon { color: var(--warning); }
.vacuum-card.incompatible .status-icon { color: var(--danger); }
.vacuum-card .details { flex: 1; }
.vacuum-card .model-name { font-weight: 600; margin-bottom: 0.25rem; }
.vacuum-card .compat-badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 12px; font-size: 0.8rem; font-weight: 600; }
.compat-badge.compatible { background: #e8f5e9; color: var(--success); }
.compat-badge.warning { background: #fff3e0; color: var(--warning); }
.compat-badge.incompatible { background: #ffebee; color: var(--danger); }
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
th, td { padding: 0.75rem; border-bottom: 1px solid var(--border); text-align: left; }
th { background: var(--primary); color: white; font-weight: 600; }
tr:last-child td { border-bottom: none; }
tr:nth-child(even) { background: #f5f5f5; }
.troubleshooting-list dt { font-weight: 600; margin-top: 1rem; }
.troubleshooting-list dd { margin-left: 1.5rem; margin-bottom: 0.5rem; }
.faq details { margin-bottom: 1rem; background: #fff; padding: 1rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.faq summary { font-weight: 600; cursor: pointer; }
.saved-setups { margin-top: 2rem; padding: 1rem; background: #fff; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.saved-setups h3 { margin-bottom: 0.5rem; }
.saved-setups li { margin-bottom: 0.25rem; }
@media (max-width: 600px) {
  .site-header nav ul { gap: 0.8rem; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.4rem; }
  .vacuum-card { flex-direction: column; }
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}