/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #4F8A8B;
  --color-primary-dark: #3D6E70;
  --color-primary-light: #6BA5A7;
  --color-accent: #E8A87C;
  --color-accent-dark: #D4926A;
  --color-bg: #F7F5F3;
  --color-bg-card: #FFFFFF;
  --color-text: #2D3436;
  --color-text-light: #636E72;
  --color-text-muted: #B2BEC3;
  --color-border: #E0D8D0;
  --color-success: #00B894;
  --color-warning: #FDCB6E;
  --color-error: #E17055;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

/* Header */
.site-header {
  background: var(--color-bg-card);
  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);
}

.logo:hover { text-decoration: none; color: var(--color-primary); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.nav-links a:hover { color: var(--color-primary); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 60px 0 40px;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--color-text);
}

.subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 520px;
  margin: 0 auto 40px;
}

/* Picker Interface */
.picker-interface {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  max-width: 640px;
  margin: 0 auto;
}

.section-label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.level-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.level-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.level-btn:hover {
  border-color: var(--color-primary-light);
  background: #F0F7F7;
}

.level-btn.active {
  border-color: var(--color-primary);
  background: #E8F4F4;
  box-shadow: 0 0 0 3px rgba(79, 138, 139, 0.15);
}

.level-icon { font-size: 1.5rem; }
.level-name { font-weight: 600; font-size: 0.95rem; }
.level-desc { font-size: 0.75rem; color: var(--color-text-light); }

.style-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}

.style-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
}

.style-btn span { font-size: 1.2rem; }

.style-btn:hover {
  border-color: var(--color-primary-light);
  background: #F0F7F7;
}

.style-btn.active {
  border-color: var(--color-primary);
  background: #E8F4F4;
  box-shadow: 0 0 0 3px rgba(79, 138, 139, 0.15);
}

.pick-card-btn {
  width: 100%;
  padding: 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.pick-card-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.pick-card-btn:active { transform: translateY(0); }

/* Result Section */
.result-section {
  padding: 40px 0;
  display: none;
}

.result-section.visible { display: block; }

.card-result {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 180px 1fr;
}

.card-visual {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  color: white;
}

.card-emoji { font-size: 3.5rem; margin-bottom: 8px; }
.card-category { font-size: 0.85rem; font-weight: 600; opacity: 0.9; text-align: center; }

.card-content { padding: 28px 32px; }

.card-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-content > p {
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.card-steps { margin-bottom: 20px; }

.card-steps h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-steps ol {
  padding-left: 20px;
}

.card-steps li {
  padding: 4px 0;
  color: var(--color-text-light);
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.action-btn {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}

.action-btn:hover {
  border-color: var(--color-primary);
  background: #E8F4F4;
}

.action-feedback {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--color-success);
  font-weight: 500;
  min-height: 20px;
}

/* Sections */
section { padding: 48px 0; }

section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-note {
  color: var(--color-text-light);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.step-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.step-number {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Assumptions Box */
.assumptions-box {
  background: #FFF8E7;
  border: 1px solid #F0DCA0;
  border-radius: var(--radius-md);
  padding: 24px;
}

.assumptions-box h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #8B6914;
}

.assumptions-box ul {
  padding-left: 20px;
}

.assumptions-box li {
  padding: 4px 0;
  font-size: 0.9rem;
  color: #6B5310;
}

/* Saved Picks */
.saved-list {
  display: grid;
  gap: 12px;
}

.saved-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.saved-card-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.saved-card-emoji { font-size: 1.5rem; }

.saved-card-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.saved-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.saved-card-delete {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.saved-card-delete:hover { opacity: 1; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-light);
}

.empty-icon { font-size: 2.5rem; margin-bottom: 12px; }

.clear-saved-btn {
  margin-top: 16px;
  padding: 10px 20px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--color-text-light);
  transition: all var(--transition);
}

.clear-saved-btn:hover {
  border-color: var(--color-error);
  color: var(--color-error);
}

/* Presets Grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.preset-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.preset-icon { font-size: 1.8rem; margin-bottom: 8px; }

.preset-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.preset-card p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* Common Mistakes */
.mistakes-list {
  display: grid;
  gap: 16px;
}

.mistake-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-accent);
}

.mistake-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.mistake-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 8px;
}

.faq-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--color-primary);
  transition: transform var(--transition);
}

.faq-item[open] summary::after { content: '−'; }

.faq-item p {
  padding: 0 20px 16px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Footer */
.site-footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: 32px 0 24px;
  margin-top: 48px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  max-width: 300px;
}

.footer-links {
  display: flex;
  list-style: none;
  gap: 20px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.footer-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* Print */
@media print {
  .site-header, .site-footer, .card-actions, .picker-interface, .hero { display: none; }
  .result-section { display: block; }
  .card-result { box-shadow: none; border: 1px solid #ccc; }
  .card-visual { background: #eee; color: #333; }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  
  .hero h1 { font-size: 1.7rem; }
  .level-buttons { grid-template-columns: 1fr; }
  .style-buttons { grid-template-columns: repeat(2, 1fr); }
  .card-result { grid-template-columns: 1fr; }
  .card-visual { padding: 20px; flex-direction: row; gap: 12px; }
  .card-emoji { font-size: 2rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .presets-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; }
  .card-meta { flex-direction: column; gap: 4px; }
}

@media (max-width: 480px) {
  .picker-interface { padding: 20px; }
  .card-content { padding: 20px; }
  .card-actions { flex-direction: column; }
  .action-btn { width: 100%; text-align: center; }
}


/* 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;
}