/* Reset et variables CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4CAF50;
    --primary-dark: #388E3C;
    --secondary-color: #2196F3;
    --accent-color: #FF9800;
    --danger-color: #f44336;
    --success-color: #4CAF50;
    --warning-color: #ff9800;
    --text-primary: #333;
    --text-secondary: #666;
    --background: #f5f5f5;
    --surface: #ffffff;
    --border: #e0e0e0;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: var(--surface);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    text-align: center;
}

.header h1 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 2.5rem;
}

.header h1 i {
    margin-right: 10px;
}

/* Navigation */
.nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 12px 24px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-size: 1rem;
}

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

/* Main Content */
.main-content {
    background: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tab-content {
    display: none;
    padding: 30px;
}

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

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #1976D2;
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: #d32f2f;
}

/* Planning Section */
.planning-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.planning-header h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.week-calendar {
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 20px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-header h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.day-card {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.day-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.day-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.meal-slots {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.meal-slot {
    background: var(--background);
    padding: 15px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.meal-slot:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.meal-slot.empty {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 20px;
}

.meal-type {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.meal-content {
    margin-top: 8px;
}

.meal-recipe {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.meal-notes {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

/* Recipes Section */
.recipes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.recipes-header h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.recipe-card {
    background: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.recipe-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
}

.recipe-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.recipe-description {
    font-size: 0.9rem;
    opacity: 0.9;
}

.recipe-body {
    padding: 20px;
}

.recipe-info {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.recipe-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.recipe-ingredients {
    margin-bottom: 15px;
}

.recipe-ingredients h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1rem;
}

.recipe-ingredients ul {
    list-style: none;
    padding-left: 0;
}

.recipe-ingredients li {
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.recipe-ingredients li:last-child {
    border-bottom: none;
}

.recipe-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Shopping List Section */
.shopping-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.shopping-header h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.shopping-list-container {
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 20px;
}

.shopping-list {
    margin-bottom: 20px;
}

.category-section {
    background: var(--surface);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.category-header {
    background: var(--primary-color);
    color: white;
    padding: 15px 20px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-items {
    padding: 0;
}

.shopping-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

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

.shopping-item:hover {
    background: var(--background);
}

.shopping-item input[type="checkbox"] {
    margin-right: 15px;
    transform: scale(1.2);
}

.shopping-item.checked {
    opacity: 0.6;
    text-decoration: line-through;
}

.shopping-item.checked .item-name {
    color: var(--text-secondary);
}

.item-name {
    flex: 1;
    font-weight: 500;
}

.item-quantity {
    margin-left: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

.item-actions {
    display: flex;
    gap: 10px;
}

.add-item-form {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.add-item-form input,
.add-item-form select {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    flex: 1;
    min-width: 200px;
}

.add-item-form input:focus,
.add-item-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--surface);
    margin: 5% auto;
    padding: 30px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.3);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

.close:hover {
    color: var(--danger-color);
}

.modal h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .nav {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-btn {
        width: 100%;
    }
    
    .planning-header,
    .recipes-header,
    .shopping-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .calendar-grid {
        grid-template-columns: 1fr;
    }
    
    .recipes-grid {
        grid-template-columns: 1fr;
    }
    
    .add-item-form {
        flex-direction: column;
    }
    
    .add-item-form input,
    .add-item-form select {
        width: 100%;
        min-width: auto;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .tab-content {
        padding: 20px 15px;
    }
    
    .day-card {
        padding: 15px;
    }
    
    .recipe-card {
        margin: 0 -15px;
        border-radius: 0;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content.active {
    animation: fadeIn 0.3s ease-out;
}

.recipe-card,
.day-card {
    animation: fadeIn 0.3s ease-out;
}

/* Loading states */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-left: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =====================================================
   Styles pour l'onglet Fruits & Légumes de Saison
   ===================================================== */

.seasonal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.seasonal-header h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin: 0;
}

.seasonal-controls {
    display: flex;
    gap: 15px;
}

.seasonal-content {
    display: grid;
    gap: 30px;
}

.seasonal-info {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
}

.seasonal-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.seasonal-info p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 10px;
}

.seasonal-info .season-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.seasonal-produce {
    display: grid;
    gap: 20px;
}

.seasonal-produce h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.produce-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.produce-card {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    padding: 20px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.produce-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
}

.produce-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

.produce-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.produce-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.produce-type {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.produce-type.fruit {
    background: var(--success-color);
}

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

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

.produce-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.5;
}

.produce-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.produce-detail {
    background: var(--background);
    padding: 10px;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.produce-detail h5 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
    text-transform: uppercase;
    font-weight: 600;
}

.produce-detail p {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.produce-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.price-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.price-range.economique {
    color: var(--success-color);
}

.price-range.moyen {
    color: var(--warning-color);
    color: var(--warning-color);
}

.price-range.premium {
    color: var(--danger-color);
}

.price-icon {
    font-size: 1.2rem;
}

.seasonal-recipes {
    margin-top: 30px;
}

.seasonal-recipes h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.recipe-card-seasonal {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    padding: 20px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.recipe-card-seasonal:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border-color: var(--accent-color);
}

.recipe-header-seasonal {
    margin-bottom: 15px;
}

.recipe-name-seasonal {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.recipe-description-seasonal {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.recipe-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.recipe-meta span {
    background: var(--background);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.recipe-meta i {
    color: var(--primary-color);
}

.season-filter {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.season-filter button {
    padding: 8px 16px;
    border: 2px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.season-filter button:hover,
.season-filter button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.season-filter button[data-season="1"] {
    border-color: #4CAF50;
}

.season-filter button[data-season="2"] {
    border-color: #FF9800;
}

.season-filter button[data-season="3"] {
    border-color: #795548;
}

.season-filter button[data-season="4"] {
    border-color: #2196F3;
}

/* Responsive pour l'onglet saison */
@media (max-width: 768px) {
    .seasonal-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .seasonal-controls {
        justify-content: center;
    }
    
    .produce-grid {
        grid-template-columns: 1fr;
    }
    
    .recipes-grid {
        grid-template-columns: 1fr;
    }
    
    .produce-details {
        grid-template-columns: 1fr;
    }
    
    .season-filter {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .seasonal-info {
        padding: 20px;
    }
    
    .seasonal-info h3 {
        font-size: 1.5rem;
    }
    
    .produce-card {
        padding: 15px;
    }
    
    .recipe-card-seasonal {
        padding: 15px;
    }
}