@import url('https://fonts.googleapis.com/css2?family=Geist+Mono:wght@100..900&family=Raleway:ital,wght@0,100..900;1,100..900&display=swap');

/* Carbon Conscious Cooking Styles */
:root {
    --primary-color: #2e7d32;
    --primary-light: #60ad5e;
    --primary-dark: #005005;
    --secondary-color: #ff6d00;
    --secondary-light: #ff9e40;
    --secondary-dark: #c43c00;
    --text-dark: #333;
    --text-light: #f4f4f4;
    --background-light: #f9f9f9;
    --background-dark: #263238;
    --shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Raleway', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-light);
    color: var(--text-dark);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.5em;
    font-weight: 600;
    line-height: 1.3;
}

p {
    margin: 0 0 1em;
    line-height: 1.6;
}

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

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

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

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

button, .btn {
    cursor: pointer;
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8em 1.5em;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    font-size: 1rem;
    text-align: center;
}

button:hover, .btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    text-decoration: none;
}

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

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

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

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

/* Layout */
.section-container {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-description {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: #666;
}

/* Header and Navigation */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo-container {
    display: flex;
    align-items: center;
}

#logo {
    height: 40px;
    margin-right: 1rem;
}

header h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
}

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

.main-nav li {
    margin-left: 1.5rem;
}

.main-nav a {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.main-nav a:hover::after, 
.main-nav a.active::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 8rem 2rem;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Recipes Section */
.category-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    background-color: #f1f1f1;
    color: var(--text-dark);
    border: 1px solid #ddd;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
}

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

.recipes-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.recipe-card {
    background-color: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.recipe-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.recipe-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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



.recipe-content {
    padding: 1.5rem;
}

.recipe-content h3 {
    margin-top: 0;
    font-size: 1.3rem;
}

.recipe-meta {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: #666;
}

.recipe-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Recipe Modal Styles */
.recipe-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 2rem;
}

.recipe-modal.show {
    opacity: 1;
}

.recipe-modal.fade-out {
    opacity: 0;
}

.recipe-modal-content {
    background: white;
    border-radius: var(--radius);
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 2rem;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    color: var(--text-dark);
}

.recipe-modal-header {
    margin-bottom: 2rem;
    padding-right: 2rem;
}

.recipe-modal-header h2 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.recipe-image-large {
    margin: -2rem -2rem 2rem -2rem;
}

.recipe-image-large img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.recipe-details {
    padding: 0 1rem;
}

.recipe-tags {
    margin: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--primary-light);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.9rem;
}

.recipe-section {
    margin: 2rem 0;
}

.recipe-section h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.ingredients-list {
    list-style: disc;
    padding-left: 1.5rem;
}

.instructions-list {
    list-style: decimal;
    padding-left: 1.5rem;
}

.ingredients-list li,
.instructions-list li {
    margin-bottom: 0.8rem;
}

.recipe-card-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background-color: rgba(46, 125, 50, 0.05);
    border-radius: var(--radius);
    border: 2px dashed var(--primary-light);
}

.add-recipe-card {
    background-color: rgba(46, 125, 50, 0.05);
    border-radius: var(--radius);
    border: 2px dashed var(--primary-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    cursor: pointer;
    transition: var(--transition);
}

.add-recipe-card:hover {
    background-color: rgba(46, 125, 50, 0.1);
}

.add-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Data Section */
.tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    gap: 0.5rem;
}

.tab-btn {
    background-color: #f1f1f1;
    color: var(--text-dark);
    border: 1px solid #ddd;
    padding: 0.7rem 1.2rem;
    border-radius: var(--radius);
}

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

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-dark);
}

.chart-container {
    width: 100%;
    height: 500px;
    margin: 0 auto;
}

#overview .chart-container {
    height: 875px;  /* Double the height for overview chart */
}

.food-selector {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.food-select {
    padding: 0.5rem;
    border-radius: var(--radius);
    border: 1px solid #ddd;
    min-width: 200px;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content ul {
    list-style: disc;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

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

/* Footer */
footer {
    background-color: var(--background-dark);
    color: var(--text-light);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.footer-logo h3 {
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ccc;
}

.footer-links a:hover {
    color: white;
}

.footer-contact a {
    color: var(--primary-light);
}

.copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

/* Responsive styles */
@media (max-width: 768px) {
    header {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .main-nav {
        margin-top: 1rem;
    }
    
    .main-nav li {
        margin: 0 1rem 0 0;
    }
    
    .hero {
        padding: 4rem 1rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .section-container {
        padding: 3rem 1rem;
    }
    
    .chart-container {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .chart-container {
        height: 300px;
    }
    
    .food-selector {
        flex-direction: column;
    }
    
    .food-select {
        width: 100%;
    }
}