/* Base Styles */
:root {
    --primary-color: #4CAF50;     /* Green */
    --secondary-color: #FF9800;   /* Orange */
    --accent-color: #E91E63;      /* Pink */
    --light-color: #F5F5F5;       /* Off-white */
    --dark-color: #333333;        /* Dark gray */
    --text-color: #212121;        /* Almost black */
    --border-color: #DDDDDD;      /* Light gray */
    --success-color: #4CAF50;     /* Green */
    --warning-color: #FFC107;     /* Amber */
    --info-color: #2196F3;        /* Blue */
    --shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4 {
    margin-bottom: 1rem;
    line-height: 1.3;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    border-radius: var(--border-radius);
}

.section {
    padding: 2rem 0;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
    position: relative;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

header .container {
    position: relative;
    z-index: 2;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Navigation */
nav {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.main-nav li {
    margin: 0 0.5rem;
}

.main-nav a {
    display: block;
    padding: 1rem;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

/* Overview Section */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.overview-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.overview-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.overview-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.overview-card p {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

/* Meal Types Section */
.meal-types {
    margin-bottom: 2rem;
}

.meal-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

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

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

.meal-type-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.meal-type-card h4 {
    padding: 1rem 1rem 0.5rem;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.meal-type-card p {
    padding: 0 1rem 1rem;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Cuisines Section */
.cuisines {
    margin-bottom: 2rem;
}

.cuisines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

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

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

.cuisine-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.cuisine-card h4 {
    padding: 1rem;
    text-align: center;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.plan-details {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.plan-details ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-top: 1rem;
}

.plan-details li {
    margin-bottom: 0.5rem;
}

/* Meal Plan Section */
.week-selector {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.week-btn,
.shopping-week-btn {
    background-color: white;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    margin: 0 0.5rem 0.5rem;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.week-btn:hover,
.shopping-week-btn:hover,
.week-btn.active,
.shopping-week-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.week-container,
.shopping-container {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.day-card {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.day-card:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.day-header {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.meal-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.meal-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.meal-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.meal-header {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
}

.meal-body {
    padding: 1rem;
}

.meal-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

.meal-title:hover {
    text-decoration: underline;
}

.meal-nutrition {
    display: flex;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.nutrition-item {
    background-color: var(--light-color);
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Shopping List Section */
.shopping-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

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

.category-image img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.category-image h4 {
    padding: 1rem;
    text-align: center;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.category-container {
    margin-bottom: 2rem;
}

.category-header {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.shopping-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.shopping-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: white;
}

.shopping-item input[type="checkbox"] {
    margin-right: 0.5rem;
}

.print-container {
    margin-top: 2rem;
    text-align: center;
}

.print-btn {
    background-color: var(--info-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.print-btn i {
    margin-right: 0.5rem;
}

.print-btn:hover {
    background-color: #0b7dda;
}

/* Nutrition Section */
.nutrition-overview {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.nutrition-chart {
    max-width: 500px;
    margin: 0 auto 2rem;
}

.nutrition-details ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin: 1rem 0;
}

/* Recipe Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 90%;
    position: relative;
    animation: modalopen 0.5s;
}

@keyframes modalopen {
    from {opacity: 0; transform: translateY(-50px);}
    to {opacity: 1; transform: translateY(0);}
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
}

.recipe-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.recipe-meta-item {
    display: flex;
    align-items: center;
}

.recipe-meta-item i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.recipe-section {
    margin-bottom: 1.5rem;
}

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

.ingredients-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
}

.ingredients-list li {
    padding: 0.5rem;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
}

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

.instructions-list li {
    margin-bottom: 0.75rem;
}

.recipe-nutrition {
    background-color: var(--light-color);
    padding: 1rem;
    border-radius: var(--border-radius);
}

.nutrition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.nutrition-grid-item {
    text-align: center;
    padding: 0.5rem;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.nutrition-grid-item span {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--secondary-color);
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    font-style: italic;
    color: #777;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

/* Media Queries */
@media (max-width: 768px) {
    .meal-cards {
        grid-template-columns: 1fr;
    }
    
    .overview-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .modal-content {
        margin: 20% auto;
        width: 95%;
    }
    
    .meal-types-grid,
    .cuisines-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .shopping-items {
        grid-template-columns: 1fr;
    }
    
    .nutrition-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .week-btn,
    .shopping-week-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .shopping-categories {
        grid-template-columns: 1fr 1fr;
    }
}

/* Print Styles */
@media print {
    header, nav, footer, .week-selector, .print-container, #overview, #meal-plan, #nutrition {
        display: none;
    }
    
    .shopping-container {
        box-shadow: none;
    }
    
    .shopping-item {
        break-inside: avoid;
    }
    
    body {
        font-size: 12pt;
    }
    
    h2 {
        font-size: 18pt;
        margin-bottom: 1cm;
    }
    
    .category-header {
        background-color: transparent !important;
        color: black !important;
        border-bottom: 1pt solid black;
        padding: 0.5cm 0 0.2cm;
    }
}