/* ===================================
   CSS RESET & BASE
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Additional CSS variables (computed from config) */
:root {
  --color-border: #E6E6E6;
  --color-bg-alt: var(--color-gray-light);
  --color-hover: #F2F2F2;
  
  --radius: 4px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
}

html {
  font-size: var(--font-size-body-desktop, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

@media (max-width: 1024px) {
  .container,
  .container-wide,
  .container-content {
    padding: 0 var(--padding-tablet);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 1rem;
  }
  
  .container,
  .container-wide,
  .container-content {
    padding: 0 var(--padding-mobile);
  }
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2.25rem;
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.75rem;
  margin-top: var(--spacing-xl);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ===================================
   HEADER
   =================================== */
.site-header {
  background-color: var(--color-background);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.site-header .container {
  max-width: var(--max-width);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.site-title a {
  color: var(--color-text-primary);
}

.site-title a:hover {
  color: var(--color-primary-accent);
}

.header-nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

.header-nav a {
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

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

/* ===================================
   MAIN CONTENT
   =================================== */
.site-main {
  flex: 1;
  padding: var(--spacing-xxl) 0;
}

/* ===================================
   FOOTER
   =================================== */
.site-footer {
  background-color: var(--color-background);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xxl);
}

.site-footer .container {
  max-width: var(--max-width);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-footer p {
  margin: 0;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

.footer-nav a {
  color: var(--color-gray-dark);
}

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

/* ===================================
   RECIPES LISTING PAGE
   =================================== */
.recipes-page {
  background-color: var(--color-background);
}

.recipes-page .page-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-text-primary);
}

.recipes-page .page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0;
}

.search-box {
  margin-bottom: var(--spacing-md);
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm);
  font-size: 0.95rem;
  font-family: var(--font-heading);
  border: 1px solid var(--color-border);
  border-radius: 0;
  transition: all 0.2s;
  background-color: var(--color-background);
}

.search-input::placeholder {
  color: #999;
}

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

.recipes-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-xxl);
  align-items: start;
}

@media (max-width: 768px) {
  .recipes-layout {
    grid-template-columns: 1fr;
  }
  
  .filters-sidebar {
    order: 2;
  }
  
  .recipes-main {
    order: 1;
  }
}

/* ===================================
   FILTERS SIDEBAR
   =================================== */
.filters-sidebar {
  padding: 0;
  font-family: var(--font-heading);
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.filter-header h2 {
  font-size: 1.1rem;
  margin: 0;
  color: var(--color-text-primary);
  font-weight: 700;
}

.clear-filters-link {
  background: none;
  border: none;
  color: var(--color-text-primary);
  text-decoration: underline;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-heading);
}

.clear-filters-link:hover {
  color: var(--color-primary-accent);
}

.filter-group {
  border-bottom: 1.5px solid var(--color-text-primary);
}

.filter-group-header {
  padding: var(--spacing-sm) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.filter-group-header:hover h3 {
  color: var(--color-primary-accent);
}

.filter-group h3 {
  font-size: 0.9rem;
  color: var(--color-text-primary);
  margin: 0;
  font-weight: 600;
}

.filter-toggle {
  font-size: 0.7rem;
  transition: transform 0.2s;
  color: var(--color-text-primary);
}

.filter-group.expanded .filter-toggle {
  transform: rotate(180deg);
}

.filter-group-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding-bottom: 0;
}

.filter-group.expanded .filter-group-content {
  max-height: 500px;
  padding-bottom: var(--spacing-sm);
}

.filter-group select {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  background-color: var(--color-background);
  cursor: pointer;
  font-family: var(--font-heading);
  transition: border-color 0.2s;
}

.filter-group select:hover {
  border-color: var(--color-primary-accent);
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.checkbox-wrapper input[type="checkbox"] {
  cursor: pointer;
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary-accent);
}

.checkbox-wrapper label {
  font-size: 0.9rem;
  cursor: pointer;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
}

/* Toggle Switch for Boolean Filters */
.toggle-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
}

.toggle-label {
  font-size: 0.9rem;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--color-primary-accent);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

.btn-secondary {
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-heading);
  font-weight: 500;
}

.btn-secondary:hover {
  background-color: var(--color-gray-light);
  border-color: var(--color-primary-accent);
  color: var(--color-primary-accent);
}

/* ===================================
   RECIPES GRID
   =================================== */
.recipes-status {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-dark);
  font-size: 0.85rem;
  font-family: var(--font-heading);
}

.recipes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .recipes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .recipes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--color-gray-dark);
  font-family: var(--font-heading);
}

/* ===================================
   RECIPE CARD
   =================================== */
.recipe-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.2s;
}

.recipe-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.recipe-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.recipe-card-link:hover {
  color: inherit;
}

.recipe-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-gray-light);
}

.recipe-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.recipe-card:hover .recipe-card-image img {
  transform: scale(1.02);
}

.recipe-card-title {
  font-size: 1.1rem;
  margin: 0;
  padding: var(--spacing-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.3;
  transition: color 0.2s;
}

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

/* ===================================
   RECIPE DETAIL PAGE
   =================================== */
.recipe-detail {
  padding-top: var(--spacing-lg);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-lg);
  font-family: var(--font-heading);
}

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

.recipe-header {
  margin-bottom: var(--spacing-lg);
}

.recipe-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.1;
}

.recipe-excerpt {
  font-size: 1.1rem;
  color: var(--color-text-primary);
  line-height: 1.6;
  margin: 0;
}

.recipe-hero {
  max-width: var(--max-width);
  margin: 0 auto var(--spacing-lg);
  padding: 0 var(--padding-desktop);
}

.hero-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
}

.recipe-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: var(--spacing-xxl);
}

.recipe-metadata {
  background-color: var(--color-background);
  padding: var(--spacing-lg) 0;
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.recipe-metadata h2 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-heading);
  font-weight: 700;
}

@media (max-width: 768px) {
  .recipe-title {
    font-size: 2rem;
  }
  
  .recipe-excerpt {
    font-size: 1rem;
  }
  
  .recipe-hero {
    padding: 0 var(--padding-mobile);
  }
}

/* ===================================
   RECIPE METADATA
   =================================== */
.metadata-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.metadata-item dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-gray-dark);
  margin-bottom: 0.25rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  font-family: var(--font-heading);
}

.metadata-item dd {
  font-size: 0.95rem;
  color: var(--color-text-primary);
  font-family: var(--font-heading);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-gray-light);
  color: var(--color-text-primary);
  border-radius: 20px;
  font-size: 0.8rem;
  font-family: var(--font-heading);
  border: 1px solid var(--color-border);
}

/* ===================================
   RECIPE BODY
   =================================== */
.recipe-body {
  font-size: 1rem;
  line-height: 1.7;
  font-family: var(--font-body);
}

.recipe-body h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
  padding-bottom: 0;
  border-bottom: none;
  font-weight: 700;
}

.recipe-body h3 {
  margin-top: var(--spacing-lg);
  font-size: 1.25rem;
  font-weight: 700;
}

.recipe-body ul,
.recipe-body ol {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.recipe-body li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.recipe-body p {
  margin-bottom: var(--spacing-md);
}

.recipe-body strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

.recipe-body a {
  color: var(--color-primary-accent);
  text-decoration: none;
}

.recipe-body a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===================================
   RECIPE GALLERY
   =================================== */
.recipe-gallery {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xxl);
  border-top: 1px solid var(--color-border);
  max-width: var(--max-content-width);
  margin-left: auto;
  margin-right: auto;
}

.recipe-gallery h2 {
  margin-top: 0;
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.2s;
}

.gallery-image:hover {
  transform: scale(1.02);
}

/* ===================================
   RESPONSIVE IMAGES
   =================================== */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

picture {
  display: block;
}

/* ===================================
   UTILITIES
   =================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}