:root{
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --text-dark: #1e293b;
  --text-light: #475569;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --radius: 8px;
  --font-sans: system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
}
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
header.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.flex-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-dark);
}
.brand svg { color: var(--primary); }
nav a {
  color: var(--text-light);
  text-decoration: none;
  margin-left: 1.5rem;
  font-weight: 500;
}
nav a:hover { color: var(--primary); }

main { padding: 3rem 0; }
section { margin-bottom: 4rem; }

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}
.hero p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 800px;
}
.ad-container { margin: 2rem 0; text-align: center; min-height: 120px; background: #e2e8f0; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }

.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media(min-width: 768px){
  .tool-grid { grid-template-columns: 1fr 1fr; }
}
.form-card, .result-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}
.form-group {
  margin-bottom: 1.25rem;
}
label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
input[type="text"], textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
}
input:focus, textarea:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}
button.btn-primary, button.btn-secondary {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
button.btn-primary {
  background: var(--primary);
  color: white;
}
button.btn-primary:hover { background: var(--primary-hover); }
button.btn-secondary {
  background: var(--border);
  color: var(--text-dark);
}

.scaffold-block {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.scaffold-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom:0; }
.scaffold-block h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.scaffold-block p { font-size: 0.95rem; margin-bottom: 0.25rem; }
.tag {
  display: inline-block;
  font-size: 0.75rem;
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 5px;
  font-weight: bold;
}

.guide-content h2, .guide-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}
.guide-content p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

footer.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  text-align: center;
}
.footer-links { margin-bottom: 1rem; }
.footer-links a {
  color: var(--text-light);
  text-decoration: none;
  margin: 0 1rem;
}
.footer-links a:hover { color: var(--primary); }
.mt-1 { margin-top: 1rem; }


/* 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;
}