/* ============================================
   NYT Cooking Inspired Recipe Theme
   CSS with Custom Properties for Customization
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: 2.25rem; margin-bottom: var(--spacing-lg); }
h2 { font-size: 1.5rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.25rem; margin-bottom: var(--spacing-sm); }

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
    background: var(--color-background);
    border-bottom: 2px solid var(--color-text);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.site-logo:hover {
    color: var(--color-primary);
}

.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.header-search {
    display: flex;
    align-items: center;
}

.search-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--color-text);
    transition: color 0.2s ease;
}

.search-toggle:hover {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* Search Modal */
.search-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    z-index: 2000;
    padding: var(--spacing-xxl);
}

.search-modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.search-modal-content {
    background: var(--color-background);
    width: 100%;
    max-width: 600px;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    position: relative;
}

#searchInput {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
}

#searchInput:focus {
    outline: none;
    border-color: var(--color-primary);
}

.search-results {
    margin-top: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.search-result-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.search-result-item:hover {
    background: var(--color-background-alt);
}

.search-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text-light);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: var(--color-background-alt);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-text);
}

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

/* ============================================
   Recipe Grid
   ============================================ */
.recipe-listing,
.featured-recipes {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-text);
}

.section-title {
    font-size: 1.5rem;
    margin: 0;
}

.section-link {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.recipe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.recipe-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Recipe Card */
.recipe-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

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

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

.recipe-card-image {
    aspect-ratio: 3/2;
    overflow: hidden;
    background: var(--color-background-alt);
}

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

.recipe-card:hover .recipe-card-image img {
    transform: scale(1.05);
}

.recipe-card-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.recipe-card-content {
    padding: var(--spacing-md);
}

.recipe-card-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.recipe-card-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.recipe-card-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   Single Recipe Page
   ============================================ */
.recipe-single {
    padding-bottom: var(--spacing-xxl);
}

.recipe-hero {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
}

.recipe-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recipe-content {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.recipe-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.recipe-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.recipe-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.recipe-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.meta-item {
    text-align: center;
}

.meta-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.meta-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.recipe-taxonomies {
    margin-top: var(--spacing-lg);
}

.category-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius);
    margin: var(--spacing-xs);
}

/* Recipe Body */
.recipe-body {
    font-size: 1.0625rem;
    line-height: 1.7;
}

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

.recipe-body h2 {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* Ingredients */
.recipe-ingredients {
    background: var(--color-background-alt);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-xl) 0;
}

.ingredients-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.ingredients-list {
    list-style: none;
}

.ingredient-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.ingredient-item:last-child {
    border-bottom: none;
}

.ingredient-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.ingredient-check {
    margin-top: 4px;
    accent-color: var(--color-primary);
}

.ingredient-check:checked + .ingredient-text {
    text-decoration: line-through;
    color: var(--color-text-light);
}

/* Instructions */
.recipe-instructions {
    margin: var(--spacing-xl) 0;
}

.instructions-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.instructions-list {
    list-style: none;
    counter-reset: step-counter;
}

.instruction-step {
    counter-increment: step-counter;
    position: relative;
    padding-left: 3rem;
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.instruction-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.instruction-step::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

/* Nutrition */
.recipe-nutrition {
    background: var(--color-background-alt);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-xl) 0;
}

.nutrition-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.nutrition-note {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.nutrition-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.nutrition-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
}

.nutrition-label {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.nutrition-value {
    font-weight: 600;
}

/* Recipe Footer */
.recipe-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-text);
}

.recipe-author {
    display: flex;
    justify-content: space-between;
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

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

.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-background-alt);
    color: var(--color-text-light);
    font-size: 0.75rem;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

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

/* Related Recipes */
.related-recipes {
    background: var(--color-background-alt);
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

/* ============================================
   Categories Section
   ============================================ */
.categories-section {
    background: var(--color-background-alt);
    padding: var(--spacing-xxl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all 0.2s ease;
}

.category-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--box-shadow-hover);
}

.category-name {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.category-count {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
}

/* ============================================
   About Teaser
   ============================================ */
.about-teaser {
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.about-content {
    max-width: 600px;
    margin: 0 auto;
}

.about-content h2 {
    margin-bottom: var(--spacing-md);
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    background: var(--color-background-alt);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    margin-bottom: var(--spacing-sm);
}

.page-description {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

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

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-background);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
}

.footer-nav h4,
.footer-categories h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    color: var(--color-background);
}

.footer-nav ul,
.footer-categories ul {
    list-style: none;
}

.footer-nav li,
.footer-categories li {
    margin-bottom: var(--spacing-sm);
}

.footer-nav a,
.footer-categories a {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-categories a:hover {
    color: var(--color-background);
}

.footer-bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid rgba(255,255,255,0.2);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.pagination .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

.pagination-prev,
.pagination-next {
    font-size: 0.875rem;
    font-weight: 600;
}

.pagination-info {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }

    .main-nav {
        display: none;
        order: 3;
        width: 100%;
        padding-top: var(--spacing-md);
    }

    .main-nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }

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

    .hero-title {
        font-size: 2rem;
    }

    .recipe-grid-3 {
        grid-template-columns: 1fr;
    }

    .recipe-title {
        font-size: 1.75rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .recipe-meta {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

/* ============================================
   Utility Classes
   ============================================ */
.no-content {
    text-align: center;
    color: var(--color-text-light);
    padding: var(--spacing-xxl);
}

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