/* FermentLog Styles */
:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-surface-alt: #f0ebe3;
  --color-primary: #6b8f5e;
  --color-primary-dark: #4a6b40;
  --color-primary-light: #a8c69a;
  --color-accent: #c4956a;
  --color-accent-dark: #a67b52;
  --color-text: #2d2a26;
  --color-text-secondary: #5c5853;
  --color-text-muted: #8a857e;
  --color-border: #d5cfc5;
  --color-success: #5a9e6f;
  --color-warning: #d4a853;
  --color-danger: #c95a5a;
  --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: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.main-nav {
  display: flex;
  gap: 24px;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

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

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

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

.section-alt {
  background: var(--color-surface-alt);
}

.section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-header h2 {
  margin-bottom: 0;
}

/* Forms */
.batch-form {
  background: var(--color-surface);
  padding: 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group-wide {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 143, 94, 0.2);
}

.form-group textarea {
  resize: vertical;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-alt);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover {
  background: #b04a4a;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

/* Batches Grid */
.batches-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.batch-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.batch-card:hover {
  box-shadow: var(--shadow-md);
}

.batch-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.batch-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.batch-type {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.batch-meta {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.batch-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.batch-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}

.empty-icon {
  color: var(--color-border);
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

/* Guides */
.guides-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.guide-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.guide-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.guide-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Info Box */
.info-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.info-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.info-box p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}

.info-box ul {
  padding-left: 20px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.info-box li {
  margin-bottom: 6px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal[aria-hidden="false"] {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
}

.modal-content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 640px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-content h2 {
  margin-bottom: 20px;
  padding-right: 32px;
}

/* Observation Log */
.observation-form {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.observation-form input,
.observation-form textarea {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
}

.observation-form textarea {
  flex: 1;
  min-width: 200px;
}

.observations-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.observation-item {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 14px;
  border-left: 3px solid var(--color-primary-light);
}

.observation-date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.observation-text {
  font-size: 0.9rem;
  color: var(--color-text);
}

/* Timeline */
.timeline {
  display: flex;
  gap: 4px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.timeline-day {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.timeline-day.current {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.timeline-day.logged {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  margin-top: 40px;
}

.footer-content {
  text-align: center;
}

.footer-brand {
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero-stats {
    gap: 24px;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .guides-grid {
    grid-template-columns: 1fr;
  }
  
  .main-nav {
    gap: 16px;
  }
  
  .nav-link {
    font-size: 0.85rem;
  }
  
  .section-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .stat-num {
    font-size: 1.5rem;
  }
  
  .batch-header {
    flex-direction: column;
    gap: 8px;
  }
  
  .batch-meta {
    flex-direction: column;
    gap: 4px;
  }
}


/* 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;
}