/* Utah Nature Palette - Light Mode */
:root {
  --color-bg: #FAF8F5;
  --color-text: #333333;
  --color-primary: #2D4A6F;
  --color-secondary: #7A8B6E;
  --color-accent: #C4754B;
  --color-muted: #666666;
  --color-border: #E5E2DD;
  --color-card: #ffffff;
  --color-input-bg: #FAF8F5;

  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-sans: system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container-width: 800px;
  --spacing: 1.5rem;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #1a1a1a;
  --color-text: #e8e8e8;
  --color-primary: #6b9bd1;
  --color-secondary: #9ab38e;
  --color-accent: #d4916a;
  --color-muted: #999999;
  --color-border: #333333;
  --color-card: #242424;
  --color-input-bg: #2a2a2a;
}

[data-theme="dark"] .site-header {
  background: #242424;
}

[data-theme="dark"] .hero {
  background: linear-gradient(to bottom, #242424, #1a3a1a);
}

[data-theme="dark"] .article-content pre {
  background: #0d0d0d;
}

[data-theme="dark"] .article-content code {
  background: rgba(255,255,255,0.1);
}

[data-theme="dark"] .site-footer {
  background: #0d0d0d;
}

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

html {
  font-size: 22px;
  line-height: 1.6;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  text-decoration: underline;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
  width: 100%;
}

/* Header */
.site-header {
  background: var(--color-primary);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: bold;
  color: white;
}

.site-title:hover {
  text-decoration: none;
  opacity: 0.9;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: white;
  opacity: 0.85;
  font-size: 0.9rem;
}

.main-nav a:hover {
  opacity: 1;
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-card);
  margin: 5px 0;
  transition: transform 0.3s;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 2rem 0;
}

/* Hero */
.hero {
  text-align: center;
  padding: 3rem 0;
  margin-bottom: 2rem;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
  color: white;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: var(--spacing);
  padding-right: var(--spacing);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.hero .tagline {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Page Header */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-primary);
}

.page-header .subtitle {
  color: var(--color-muted);
  margin-top: 0.25rem;
}

/* Breadcrumbs */
.breadcrumbs {
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: '›';
  margin-left: 0.5rem;
  color: var(--color-muted);
}

.breadcrumbs a {
  color: var(--color-muted);
}

.breadcrumbs span {
  color: var(--color-text);
}

/* Category Grid */
.categories-section,
.recent-section,
.articles-section,
.topics-section {
  margin-bottom: 3rem;
}

.categories-section h2,
.recent-section h2,
.articles-section h2,
.topics-section h2,
.search-results h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.category-card {
  display: block;
  padding: 1.25rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  text-decoration: none;
}

.category-card h3 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.category-card .count {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Topic Tags */
.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topic-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: var(--color-secondary);
  color: white;
  border-radius: 3px;
  font-size: 0.85rem;
}

.topic-tag .count {
  background: rgba(255,255,255,0.2);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  font-size: 0.75rem;
}

a.topic-tag:hover {
  background: var(--color-primary);
  text-decoration: none;
}

/* Article List */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.article-card {
  padding: 1rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.article-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.article-card h3 a {
  color: var(--color-text);
}

.article-card h3 a:hover {
  color: var(--color-primary);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.category-tag {
  background: var(--color-accent);
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  font-size: 0.75rem;
}

.category-tag:hover {
  text-decoration: none;
  opacity: 0.9;
}

/* Article Page */
.article-page {
  padding: 1rem 0;
}

.article-container {
  max-width: 700px;
}

.article-header {
  margin-bottom: 2rem;
}

.article-header h1 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.article-header .article-meta {
  flex-wrap: wrap;
}

.article-topics {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.article-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.75;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.article-content h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-content blockquote {
  border-left: 3px solid var(--color-secondary);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-muted);
}

.article-content ul,
.article-content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content pre {
  background: #1a1a1a;
  color: #f8f8f8;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9rem;
}

.article-content code {
  background: rgba(0,0,0,0.05);
  padding: 0.15rem 0.3rem;
  border-radius: 2px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9em;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.comment-link {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: white;
  border-radius: 4px;
}

.comment-link:hover {
  background: var(--color-secondary);
  text-decoration: none;
}

/* Search */
.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-card);
  color: var(--color-text);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-button {
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

.search-button:hover {
  background: var(--color-secondary);
}

/* Footer */
.site-footer {
  background: var(--color-text);
  color: white;
  padding: 1.5rem 0;
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer nav {
  display: flex;
  gap: 1.5rem;
}

.site-footer a {
  color: white;
  opacity: 0.8;
}

.site-footer a:hover {
  opacity: 1;
}

/* Utility */
.no-content {
  color: var(--color-muted);
  font-style: italic;
}

/* Dark Mode Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: white;
  opacity: 0.8;
  font-size: 1.25rem;
  line-height: 1;
  transition: opacity 0.2s;
}

.theme-toggle:hover {
  opacity: 1;
}

.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: inline; }

[data-theme="dark"] .theme-toggle .sun { display: inline; }
[data-theme="dark"] .theme-toggle .moon { display: none; }

/* Contact Form */
.contact-form {
  max-width: 550px;
  background: var(--color-card);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  letter-spacing: 0.025em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-input-bg);
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 74, 111, 0.1);
  background: var(--color-card);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #999;
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.6;
}

.submit-button {
  padding: 1rem 2.5rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.submit-button:hover {
  background: var(--color-secondary);
}

.submit-button:active {
  transform: translateY(1px);
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Mobile */
@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-primary);
    flex-direction: column;
    padding: 1rem;
    gap: 0.75rem;
  }

  .main-nav.open {
    display: flex;
  }

  .mobile-menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .page-header h1 {
    font-size: 1.5rem;
  }

  .article-header h1 {
    font-size: 1.75rem;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .search-form {
    flex-direction: column;
  }

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }
}