/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #EDEEF7 0%, #E4FBFF 100%);
    min-height: 100vh;
    position: relative;
}

/* Paper texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(255,255,255,0.15) 1px, transparent 0);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: 0;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* Header */
header {
    background: linear-gradient(135deg, #7868E6, #B8B5FF);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

header .header-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

header .logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 12px;
    background: white;
    padding: 0.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

header h1 {
    font-size: 1.8rem;
    margin: 0;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.nav-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.nav-btn.active {
    background: rgba(255,255,255,0.4);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.nav-btn .icon {
    font-size: 1.2rem;
}

/* Main Content */
main {
    padding: 2rem 0;
    min-height: calc(100vh - 140px);
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    color: #7868E6;
    font-size: 2rem;
    font-weight: 600;
}

/* Buttons */
.add-btn, .action-btn, .btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.add-btn, .btn-primary, .action-btn.primary {
    background: linear-gradient(135deg, #7868E6, #B8B5FF);
    color: white;
    box-shadow: 0 4px 15px rgba(120, 104, 230, 0.3);
}

.add-btn:hover, .btn-primary:hover, .action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(120, 104, 230, 0.4);
}

.btn-secondary, .action-btn {
    background: white;
    color: #7868E6;
    border: 2px solid #B8B5FF;
}

.btn-secondary:hover, .action-btn:hover {
    background: #B8B5FF;
    color: white;
}

.action-btn.danger {
    background: #FFB4B4;
    color: #8B0000;
    border-color: #FFB4B4;
}

.action-btn.danger:hover {
    background: #FF9999;
}

/* Week Navigation */
.week-navigation {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.week-nav-btn {
    background: rgba(120, 104, 230, 0.1);
    border: 1px solid #B8B5FF;
    color: #7868E6;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.week-nav-btn:hover {
    background: #B8B5FF;
    color: white;
}

.current-week {
    font-weight: 600;
    color: #7868E6;
    min-width: 200px;
    text-align: center;
}

/* Meal Grid */
.meal-grid {
    display: grid;
    grid-template-columns: 120px repeat(7, 1fr);
    gap: 1px;
    background: #B8B5FF;
    border-radius: 12px;
    overflow-x: auto;
    overflow-y: visible;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    min-width: 100%;
}

.meal-grid::-webkit-scrollbar {
    height: 8px;
}

.meal-grid::-webkit-scrollbar-track {
    background: #EDEEF7;
    border-radius: 4px;
}

.meal-grid::-webkit-scrollbar-thumb {
    background: #B8B5FF;
    border-radius: 4px;
}

.meal-grid::-webkit-scrollbar-thumb:hover {
    background: #7868E6;
}

.meal-grid-header {
    background: linear-gradient(135deg, #7868E6, #B8B5FF);
    color: white;
    padding: 1rem;
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.meal-grid-header:first-child {
    position: sticky;
    left: 0;
    z-index: 5;
}

.meal-grid-cell {
    background: white;
    padding: 1rem;
    min-height: 80px;
    position: relative;
    transition: all 0.3s ease;
}

.meal-grid-cell.meal-time {
    background: linear-gradient(135deg, #EDEEF7, #E4FBFF);
    font-weight: 600;
    color: #7868E6;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 2px 0 5px rgba(0,0,0,0.05);
}

.meal-grid-cell.drop-zone {
    border: 2px dashed #B8B5FF;
    background: rgba(184, 181, 255, 0.1);
}

.meal-grid-cell.drag-over {
    background: rgba(120, 104, 230, 0.2);
    border-color: #7868E6;
}

.meal-item {
    background: linear-gradient(135deg, #E4FBFF, white);
    border: 1px solid #B8B5FF;
    border-radius: 8px;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    cursor: grab;
    transition: all 0.3s ease;
    position: relative;
}

.meal-item:active {
    cursor: grabbing;
}

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

.meal-item.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

.meal-item h4 {
    font-size: 0.9rem;
    color: #7868E6;
    margin-bottom: 0.25rem;
}

.meal-item p {
    font-size: 0.8rem;
    color: #666;
    margin: 0;
}

.meal-item .remove-btn {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #FFB4B4;
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
    cursor: pointer;
    display: none;
}

.meal-item:hover .remove-btn {
    display: block;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Recipe Filters */
.recipe-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.search-input, .filter-select {
    padding: 0.75rem;
    border: 2px solid #B8B5FF;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: white;
}

.search-input {
    flex: 1;
    min-width: 250px;
}

.search-input:focus, .filter-select:focus {
    outline: none;
    border-color: #7868E6;
    box-shadow: 0 0 0 3px rgba(120, 104, 230, 0.1);
}

/* Recipes List */
.recipes-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.recipe-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: grab;
    position: relative;
    border: 2px solid transparent;
}

.recipe-card:active {
    cursor: grabbing;
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-color: #B8B5FF;
}

.recipe-card.dragging {
    opacity: 0.7;
    transform: rotate(3deg) scale(0.95);
}

.recipe-card h3 {
    color: #7868E6;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

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

.recipe-meta span {
    background: rgba(120, 104, 230, 0.1);
    color: #7868E6;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.recipe-nutrition {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.nutrition-item {
    text-align: center;
    padding: 0.5rem;
    background: rgba(228, 251, 255, 0.5);
    border-radius: 6px;
}

.nutrition-item strong {
    display: block;
    color: #7868E6;
    font-size: 0.9rem;
}

.nutrition-item small {
    color: #666;
    font-size: 0.7rem;
}

.recipe-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.recipe-actions button {
    background: none;
    border: 1px solid #B8B5FF;
    color: #7868E6;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
}

.recipe-actions button:hover {
    background: #B8B5FF;
    color: white;
}

.recipe-actions .delete-btn:hover {
    background: #FFB4B4;
    border-color: #FFB4B4;
    color: #8B0000;
}

/* Modal */
.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.active {
    display: block !important;
    animation: fadeIn 0.3s ease;
    overflow-y: auto;
}

.modal-content {
    background: white;
    padding: 1.25rem;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    overflow-x: hidden;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    margin: 0;
}

.modal-content h3 {
    margin: 0 0 0.4rem 0;
    padding: 0;
    color: #7868E6;
    font-size: 1.3rem;
}

.modal-content h3:first-child {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.modal-content > *:first-child {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

#recipeForm {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.close {
    position: absolute;
    right: 0.75rem;
    top: 0.75rem;
    font-size: 1.8rem;
    cursor: pointer;
    color: #999;
    transition: color 0.3s ease;
    line-height: 1;
    padding: 0.25rem;
}

.close:hover {
    color: #7868E6;
}

.form-hint {
    background: rgba(120, 104, 230, 0.1);
    border-left: 4px solid #7868E6;
    padding: 0.4rem 0.65rem;
    margin: 0.3rem 0 0.5rem 0;
    border-radius: 4px;
    font-size: 0.8rem;
    color: #666;
}

.form-hint .required {
    color: #FF5252;
    font-weight: bold;
}

/* Forms */
.form-group {
    margin-bottom: 0.8rem;
}

.form-group:first-child {
    margin-top: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    color: #7868E6;
    font-weight: 500;
    font-size: 0.85rem;
}

.form-group label .required {
    color: #FF5252;
    font-weight: bold;
    margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid #B8B5FF;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #7868E6;
    box-shadow: 0 0 0 3px rgba(120, 104, 230, 0.1);
}

/* Campos obrigatórios vazios após tentativa de submit */
.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #FF5252;
}

.form-group input:invalid:focus:not(:placeholder-shown),
.form-group select:invalid:focus:not(:placeholder-shown),
.form-group textarea:invalid:focus:not(:placeholder-shown) {
    border-color: #FF5252;
    box-shadow: 0 0 0 3px rgba(255, 82, 82, 0.1);
}

/* Destaque visual para campos required quando o formulário é submetido */
form.submitted input:required:invalid,
form.submitted select:required:invalid,
form.submitted textarea:required:invalid {
    border-color: #FF5252;
    background-color: rgba(255, 82, 82, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 65px;
}

.form-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px solid #EDEEF7;
}

.nutrition-section {
    background: rgba(228, 251, 255, 0.3);
    padding: 0.75rem;
    border-radius: 8px;
    margin: 0.5rem 0;
}

.nutrition-section h4 {
    color: #7868E6;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

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

.nutrition-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.nutrition-card h3 {
    color: #7868E6;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.nutrition-value {
    font-size: 2rem;
    font-weight: bold;
    color: #7868E6;
    margin-bottom: 1rem;
}

.nutrition-value .unit {
    font-size: 1rem;
    color: #666;
    font-weight: normal;
}

.nutrition-bar {
    background: #EDEEF7;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.nutrition-progress {
    height: 100%;
    background: linear-gradient(135deg, #7868E6, #B8B5FF);
    transition: width 0.3s ease;
    border-radius: 4px;
}

.nutrition-card small {
    color: #666;
    font-size: 0.8rem;
}

/* Profile Form */
.profile-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #EDEEF7;
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h3 {
    color: #7868E6;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.checkbox-group, .radio-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-label, .radio-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.checkbox-label:hover, .radio-label:hover {
    background: rgba(184, 181, 255, 0.1);
}

.checkbox-label input, .radio-label input {
    display: none;
}

.checkmark, .radio-mark {
    width: 20px;
    height: 20px;
    border: 2px solid #B8B5FF;
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.radio-mark {
    border-radius: 50%;
}

.checkbox-label input:checked + .checkmark,
.radio-label input:checked + .radio-mark {
    background: #7868E6;
    border-color: #7868E6;
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 0.8rem;
}

.radio-label input:checked + .radio-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
}

.radio-label div {
    display: flex;
    flex-direction: column;
}

.radio-label strong {
    color: #7868E6;
    margin-bottom: 0.25rem;
}

.radio-label small {
    color: #666;
    font-size: 0.8rem;
}

.hidden {
    display: none !important;
}

/* Profile Summary */
.profile-summary {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.profile-summary h3 {
    color: #7868E6;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.summary-item {
    text-align: center;
    padding: 1rem;
    background: rgba(228, 251, 255, 0.3);
    border-radius: 8px;
}

.summary-item label {
    display: block;
    color: #666;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.summary-item span {
    font-size: 1.2rem;
    font-weight: bold;
    color: #7868E6;
}

/* Footer */
footer {
    background: #7868E6;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    margin-bottom: 60px;
}

footer p {
    font-size: 0.9rem;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #B8B5FF;
    border-top: 4px solid #7868E6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
}

.toast {
    background: white;
    border-left: 4px solid #7868E6;
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transform: translateX(100%);
    animation: slideIn 0.3s ease forwards;
    max-width: 300px;
}

.toast.success {
    border-left-color: #4CAF50;
}

.toast.error {
    border-left-color: #FF5252;
}

.toast.warning {
    border-left-color: #FF9800;
}

@keyframes slideIn {
    to { transform: translateX(0); }
}

@keyframes slideOut {
    to { transform: translateX(100%); }
}

.toast.removing {
    animation: slideOut 0.3s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header .logo {
        width: 60px;
        height: 60px;
    }

    header h1 {
        font-size: 1.5rem;
    }
    
    .nav-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .nav-btn .icon {
        font-size: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .meal-grid {
        grid-template-columns: 100px repeat(7, minmax(150px, 1fr));
        font-size: 0.85rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .meal-grid-header {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
        min-width: 100px;
    }
    
    .meal-grid-cell {
        padding: 0.75rem;
        min-height: 80px;
        min-width: 150px;
    }
    
    .meal-grid-cell.meal-time {
        position: sticky;
        left: 0;
        z-index: 5;
        min-width: 100px;
        box-shadow: 3px 0 8px rgba(0,0,0,0.1);
    }
    
    .meal-grid-header:first-child {
        box-shadow: 3px 0 8px rgba(0,0,0,0.1);
    }
    
    .meal-item h4 {
        font-size: 0.85rem;
    }
    
    .meal-item p {
        font-size: 0.75rem;
    }
    
    .recipe-filters {
        flex-direction: column;
    }
    
    .search-input {
        min-width: auto;
    }
    
    .recipes-list {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .nutrition-overview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-actions .action-btn {
        width: 100%;
    }
    
    .week-navigation {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    .week-nav-btn {
        width: 100%;
    }
    
    .current-week {
        min-width: auto;
        font-size: 0.9rem;
    }
    
    .modal-content {
        width: 95%;
        padding: 0.9rem;
        max-height: calc(100vh - 100px);
        top: 5px;
    }
    
    .modal-content h3 {
        font-size: 1.15rem;
        margin-bottom: 0.3rem;
    }
    
    .form-hint {
        padding: 0.35rem 0.5rem;
        font-size: 0.75rem;
        margin: 0.25rem 0 0.4rem 0;
    }
    
    .form-group {
        margin-bottom: 0.65rem;
    }
    
    .form-group label {
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.45rem;
        font-size: 0.8rem;
    }
    
    .form-group textarea {
        min-height: 60px;
    }
    
    .nutrition-section {
        padding: 0.6rem;
    }
    
    .nutrition-section h4 {
        font-size: 0.85rem;
        margin-bottom: 0.4rem;
    }
    
    .form-actions {
        flex-direction: column;
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }
    
    .form-actions button {
        width: 100%;
    }
    
    .toast-container {
        right: 10px;
        left: 10px;
        top: 10px;
    }
    
    .toast {
        max-width: none;
    }
}

@media (max-width: 480px) {
    header .logo {
        width: 50px;
        height: 50px;
    }

    header h1 {
        font-size: 1.3rem;
    }
    
    .modal-content {
        padding: 0.7rem;
        max-height: calc(100vh - 80px);
        top: 3px;
        width: 98%;
    }
    
    .modal-content h3 {
        font-size: 1.05rem;
        margin-bottom: 0.25rem;
    }
    
    .close {
        right: 0.4rem;
        top: 0.4rem;
        font-size: 1.5rem;
    }
    
    .form-hint {
        padding: 0.3rem 0.45rem;
        font-size: 0.7rem;
        margin: 0.2rem 0 0.35rem 0;
    }
    
    .form-group {
        margin-bottom: 0.5rem;
    }
    
    .form-group label {
        font-size: 0.75rem;
        margin-bottom: 0.2rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.4rem;
        font-size: 0.75rem;
    }
    
    .form-group textarea {
        min-height: 55px;
    }
    
    .form-row {
        gap: 0.5rem;
    }
    
    .nutrition-section {
        padding: 0.5rem;
        margin: 0.4rem 0;
    }
    
    .nutrition-section h4 {
        font-size: 0.8rem;
        margin-bottom: 0.35rem;
    }
    
    .form-actions {
        margin-top: 0.6rem;
        padding-top: 0.6rem;
    }
    
    .meal-grid {
        grid-template-columns: 90px repeat(7, minmax(140px, 1fr));
        font-size: 0.8rem;
    }
    
    .meal-grid-header {
        padding: 0.6rem 0.4rem;
        font-size: 0.75rem;
        min-width: 90px;
    }
    
    .meal-grid-cell {
        padding: 0.6rem;
        min-height: 75px;
        min-width: 140px;
    }
    
    .meal-grid-cell.meal-time {
        min-width: 90px;
        font-size: 0.8rem;
    }
    
    .meal-item h4 {
        font-size: 0.8rem;
    }
    
    .meal-item p {
        font-size: 0.7rem;
    }
    
    .nutrition-overview {
        grid-template-columns: 1fr;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .nav-btn .icon {
        font-size: 0.9rem;
    }
    
    .checkbox-group, .radio-group {
        gap: 0.5rem;
    }
    
    .checkbox-label, .radio-label {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .section-header h2 {
        font-size: 1.3rem;
    }
    
    .nutrition-breakdown {
        grid-template-columns: 1fr;
    }
    
    .recommendations-list {
        gap: 0.75rem;
    }
    
    .recommendation {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .recommendation .icon {
        font-size: 1.2rem;
    }
    
    .nutrition-details,
    .nutrition-recommendations {
        padding: 1.5rem;
    }
    
    .nutrition-summary {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Print Styles */
@media print {
    body::before {
        display: none;
    }
    
    header, footer, .nav-btn, .add-btn, .action-btn, .quick-actions {
        display: none !important;
    }
    
    .meal-grid {
        box-shadow: none;
        border: 2px solid #333;
    }
    
    .meal-grid-cell {
        border: 1px solid #333;
    }
    
    .recipe-card {
        box-shadow: none;
        border: 1px solid #333;
        break-inside: avoid;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .meal-grid-cell,
    .recipe-card,
    .nutrition-card,
    .profile-form,
    .profile-summary {
        border: 2px solid #000;
    }
    
    .nav-btn,
    .add-btn,
    .btn-primary,
    .action-btn.primary {
        border: 2px solid #000;
    }
}

/* Nutrition Enhancements */
.nutrition-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.nutrition-breakdown .nutrition-card {
    background: linear-gradient(135deg, rgba(228, 251, 255, 0.5), white);
    border-left: 4px solid #7868E6;
    transition: all 0.3s ease;
}

.nutrition-breakdown .nutrition-card:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.nutrition-breakdown .nutrition-card h4 {
    color: #7868E6;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nutrition-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(184, 181, 255, 0.1);
    border-radius: 8px;
}

.nutrition-summary span {
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #7868E6;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.recipes-list small {
    color: #666;
    line-height: 1.8;
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recommendation {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-left: 4px solid #7868E6;
    transition: all 0.3s ease;
}

.recommendation:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.recommendation.success {
    border-left-color: #4CAF50;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05), white);
}

.recommendation.warning {
    border-left-color: #FF9800;
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.05), white);
}

.recommendation.error {
    border-left-color: #FF5252;
    background: linear-gradient(135deg, rgba(255, 82, 82, 0.05), white);
}

.recommendation.info {
    border-left-color: #2196F3;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.05), white);
}

.recommendation .icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.recommendation p {
    margin: 0;
    color: #333;
    line-height: 1.6;
}

.nutrition-details {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.nutrition-details h3 {
    color: #7868E6;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.nutrition-recommendations {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.nutrition-recommendations h3 {
    color: #7868E6;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.nutrition-period {
    display: flex;
    align-items: center;
}

.nutrition-period select {
    padding: 0.5rem 1rem;
    border: 2px solid #B8B5FF;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #7868E6;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.nutrition-period select:hover {
    border-color: #7868E6;
    background: rgba(184, 181, 255, 0.1);
}

/* Focus styles for better accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid #7868E6;
    outline-offset: 2px;
}

.nav-btn:focus {
    outline-color: white;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}