:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-surface-alt: #f3efe8;
  --color-text: #2d2a26;
  --color-text-muted: #6b6560;
  --color-accent: #8b6f47;
  --color-accent-hover: #6d5636;
  --color-accent-light: #e8dfd1;
  --color-border: #e0d9cf;
  --color-success: #5a8a6a;
  --color-focus: #b8956a;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(45, 42, 38, 0.06);
  --shadow-md: 0 4px 12px rgba(45, 42, 38, 0.08);
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: var(--color-accent); }
a:hover { color: var(--color-accent-hover); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
}
.logo svg { color: var(--color-accent); }
.site-nav {
  display: flex;
  gap: 20px;
}
.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 6px 0;
}
.site-nav a:hover { color: var(--color-accent); }

/* Hero */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}
.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 16px;
  line-height: 1.2;
}
.hero .lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 28px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-hover); color: #fff; }
.btn-secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-accent-light); }

/* Planner Section */
.planner-section {
  padding: 60px 0;
}
.planner-section h2 {
  font-size: 1.8rem;
  margin: 0 0 30px;
}
.planner-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

/* Form */
.planner-form fieldset {
  border: none;
  padding: 0;
  margin: 0 0 24px;
}
.planner-form legend {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 10px;
}
.memorial-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 10px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: var(--color-surface);
}
.option-card:hover { border-color: var(--color-accent-light); }
.option-card input { position: absolute; opacity: 0; pointer-events: none; }
.option-card:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}
.option-icon {
  color: var(--color-accent);
  margin-bottom: 8px;
}
.option-label {
  font-weight: 600;
  font-size: 0.9rem;
}
.option-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

.budget-options,
.timeline-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.budget-chip,
.timeline-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  background: var(--color-surface);
  transition: border-color 0.2s, background 0.2s;
}
.budget-chip:hover,
.timeline-chip:hover { border-color: var(--color-accent-light); }
.budget-chip input,
.timeline-chip input { position: absolute; opacity: 0; pointer-events: none; }
.budget-chip:has(input:checked),
.timeline-chip:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  font-weight: 600;
}

/* Output */
.planner-output {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 30px;
  min-height: 400px;
  position: sticky;
  top: 80px;
}
.plan-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: 40px 20px;
}
.plan-empty svg { color: var(--color-border); margin-bottom: 16px; }
.plan-empty h3 { margin: 0 0 8px; font-size: 1.1rem; }
.plan-empty p { margin: 0; font-size: 0.95rem; }

.plan-result.hidden { display: none; }
.plan-header { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--color-border); }
.plan-header h3 { margin: 0 0 6px; font-size: 1.2rem; }
.plan-meta { margin: 0; color: var(--color-text-muted); font-size: 0.9rem; }

.plan-timeline { margin-bottom: 24px; }
.timeline-step {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-border);
}
.timeline-step:last-child { border-bottom: none; }
.step-number {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}
.step-content h4 { margin: 0 0 4px; font-size: 0.95rem; }
.step-content p { margin: 0; font-size: 0.88rem; color: var(--color-text-muted); }

.plan-materials h4 { margin: 0 0 10px; font-size: 1rem; }
.plan-materials ul { margin: 0; padding-left: 20px; }
.plan-materials li { margin-bottom: 6px; font-size: 0.9rem; }

.plan-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.share-notice {
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--color-accent-hover);
}
.share-notice.hidden { display: none; }

/* Examples */
.examples-section {
  padding: 60px 0;
  background: var(--color-surface);
}
.examples-section h2 { font-size: 1.8rem; margin: 0 0 10px; }
.section-intro { color: var(--color-text-muted); margin-bottom: 30px; max-width: 650px; }
.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.example-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}
.example-card h3 { margin: 0 0 12px; font-size: 1.1rem; }
.example-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 0 0 12px;
  font-size: 0.88rem;
}
.example-card dt { color: var(--color-text-muted); }
.example-card dd { margin: 0; font-weight: 600; }
.example-card p { margin: 0; font-size: 0.9rem; color: var(--color-text-muted); }

/* Guide */
.guide-section { padding: 60px 0; }
.guide-section h2 { font-size: 1.8rem; margin: 0 0 30px; }
.guide-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}
.guide-main h3 { font-size: 1.15rem; margin: 24px 0 10px; }
.guide-main h3:first-child { margin-top: 0; }
.guide-main p { margin: 0 0 12px; }
.guide-main ul { padding-left: 20px; margin: 0 0 12px; }
.guide-main li { margin-bottom: 6px; }

.guide-side {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  height: fit-content;
}
.guide-side h3 { margin: 0 0 12px; font-size: 1.05rem; }
.tips-list { padding-left: 20px; margin: 0 0 20px; }
.tips-list li { margin-bottom: 8px; font-size: 0.9rem; }
.version-note {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.version-note p { margin: 0 0 6px; }

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 40px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}
.footer-grid strong { display: block; margin-bottom: 4px; }
.footer-grid p { margin: 0; color: var(--color-text-muted); font-size: 0.9rem; }
.footer-grid nav { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-grid nav a { font-size: 0.9rem; text-decoration: none; }
.footer-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Responsive */
@media (max-width: 860px) {
  .planner-layout { grid-template-columns: 1fr; }
  .planner-output { position: static; }
  .guide-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .form-row { grid-template-columns: 1fr; }
  .memorial-options { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}
@media (max-width: 520px) {
  .site-nav { gap: 12px; }
  .site-nav a { font-size: 0.85rem; }
  .hero { padding: 50px 0 40px; }
  .hero h1 { font-size: 1.5rem; }
  .option-card { padding: 12px 8px; }
  .budget-options, .timeline-options { flex-direction: column; }
  .budget-chip, .timeline-chip { justify-content: center; }
}

/* Print */
@media print {
  .site-header, .site-footer, .plan-actions, .hero, .examples-section, .guide-section { display: none; }
  .planner-section { padding: 0; }
  .planner-layout { grid-template-columns: 1fr; }
  .planner-form { display: none; }
  .planner-output { border: none; padding: 0; }
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}


/* 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;
}