/* Vinyl Cleaning Solution Calculator Styles */
:root {
  --primary: #2a3b4c;
  --accent: #8b6b4f;
  --light-accent: #a88c70;
  --bg: #f8f5f0;
  --card-bg: #ffffff;
  --text: #333333;
  --border: #d4c8b8;
  --success: #4a6b3d;
  --warning: #b86b2a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: var(--primary);
  color: white;
  padding: 1.5rem 1rem;
  text-align: center;
}

header h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
}

.tagline {
  margin: 0;
  opacity: 0.9;
  font-size: 0.95rem;
}

main { max-width: 1200px; margin: 0 auto; }

section {
  padding: 2rem 1rem;
  border-bottom: 1px solid var(--border);
}

.calculator-container {
  display: grid;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .calculator-container { grid-template-columns: 1fr 1fr; }
}

form {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.form-group select, .form-group input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
}

.checkbox-item {
  margin: 0.5rem 0;
}

.checkbox-item input { margin-right: 0.5rem; }

.checkbox-item label { cursor: pointer; }

.calculate-btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 500;
}

.calculate-btn:hover { background: var(--light-accent); }

.results-panel {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.results-panel h2 { margin-top: 0; color: var(--primary); }

.placeholder { color: #666; font-style: italic; }

.solution-output {
  background: #f0f0f0;
  padding: 1rem;
  border-radius: 4px;
  margin: 1rem 0;
  font-family: monospace;
  white-space: pre-line;
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.secondary-btn {
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

.secondary-btn:hover { opacity: 0.9; }

.saved-section h3 { margin-bottom: 0.5rem; }

#recipes-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

#recipes-list li {
  padding: 0.5rem;
  background: #f8f8f8;
  margin: 0.25rem 0;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid var(--border);
}

#recipes-list li:hover { background: #e8e8e8; }

.content-container {
  max-width: 800px;
  margin: 0 auto;
}

.dirt-guide {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

@media (min-width: 768px) {
  .dirt-guide { grid-template-columns: repeat(3, 1fr); }
}

.dirt-item {
  background: var(--card-bg);
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid var(--accent);
}

.dirt-item h3 { margin-top: 0; color: var(--primary); }

.substitution-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  background: var(--card-bg);
}

table th, table td {
  padding: 0.75rem;
  text-align: left;
  border: 1px solid var(--border);
}

table th {
  background: var(--primary);
  color: white;
}

.instructions-list {\n  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
  margin: 1rem 0;
}

.mistakes-list {
  background: #fff8f0;
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--warning);
}

.recipe-cards {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

@media (min-width: 768px) {
  .recipe-cards { grid-template-columns: repeat(3, 1fr); }
}

.recipe-card {
  background: var(--card-bg);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
}

.recipe-card:hover { border-color: var(--accent); }

.recipe-card h3 { margin-top: 0; color: var(--success); }

footer {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}

footer nav {
  margin-top: 0.5rem;
}

footer a {
  color: white;
  margin: 0 0.5rem;
  text-decoration: none;
}

footer a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  header h1 { font-size: 1.4rem; }
  .action-buttons { flex-direction: column; }
  .secondary-btn { width: 100%; }
}


/* 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;
}