/* Base & Reset */
:root {
    --color-primary: #0F3460;
    --color-secondary: #16213E;
    --color-accent: #E94560;
    --color-dark: #1A1A2E;
    --color-light: #FFFFFF;
    --color-gray: #f1f1f1;
    --color-gray-dark: #d1d1d1;
    --color-text: #333333;
    --color-text-light: #FFFFFF;
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-danger: #F44336;
    --color-info: #2196F3;
    
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-gray);
    color: var(--color-text);
    line-height: 1.6;
    transition: var(--transition);
}

body.dark-mode {
    --color-gray: #2a2a2a;
    --color-gray-dark: #444444;
    --color-text: #f1f1f1;
    background-color: var(--color-dark);
    color: var(--color-text-light);
}

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    font-family: inherit;
}

input, button, select, textarea {
    font-family: inherit;
    font-size: 1rem;
    border: none;
    outline: none;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.2;
}

/* Layout */
.header {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
}
.fa-moon{
    color: var(--color-gray);
    background-color: var(--color-primary);
    padding: 0.25rem;
    transition: var(--transition);
}
.fa-sun{
    color: var(--color-light);
    background-color: var(--color-primary);
    padding: 0.25rem;
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    min-height: calc(100vh - 130px);
}

.footer {
    background-color: var(--color-secondary);
    color: var(--color-light);
    text-align: center;
    padding: 1rem;
    margin-top: 1rem;
}

.footer a {
    color: var(--color-accent);
}

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: #d03a51;
}

.btn-secondary {
    background-color: var(--color-gray);
    color: var(--color-text);
    border: 1px solid var(--color-gray-dark);
}

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

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

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.card {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

body.dark-mode .card {
    background-color: var(--color-secondary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-dark);
    border-radius: var(--border-radius);
    background-color: var(--color-light);
    transition: var(--transition);
}

body.dark-mode .form-group input,
body.dark-mode .form-group select,
body.dark-mode .form-group textarea {
    background-color: var(--color-dark);
    color: var(--color-light);
    border-color: #444;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(15, 52, 96, 0.2);
}

.empty-state {
    text-align: center;
    color: #888;
    padding: 1.5rem;
    font-style: italic;
}

/* Screens */
.screen {
    display: none;
}

.screen.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.screen-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.btn-back {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
    border-radius: 50%;
    transition: var(--transition);
}

body.dark-mode .btn-back {
    color: var(--color-light);
}

.btn-back:hover {
    background-color: rgba(15, 52, 96, 0.1);
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

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

.dashboard-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.list-summary {
    margin: 1rem 0;
}

.list-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-gray-dark);
}

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

.suggestions-list {
    margin: 1rem 0;
}

.suggestion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-dark);
}

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

.suggestion-item .add-btn {
    background-color: var(--color-success);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.tip-content {
    background-color: rgba(15, 52, 96, 0.1);
    border-left: 4px solid var(--color-primary);
    padding: 1rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin: 1rem 0;
}

body.dark-mode .tip-content {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Create List */
.list-form {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

body.dark-mode .list-form {
    background-color: var(--color-secondary);
}

.search-container {
    position: relative;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-light);
    border: 1px solid var(--color-gray-dark);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    z-index: 10;
    max-height: 200px;
    overflow-y: auto;
    display: none;
}

body.dark-mode .autocomplete-results {
    background-color: var(--color-dark);
    border-color: #444;
}

.autocomplete-results.show {
    display: block;
}

.autocomplete-item {
    padding: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.autocomplete-item:hover {
    background-color: var(--color-gray);
}

body.dark-mode .autocomplete-item:hover {
    background-color: #444;
}

.category-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    margin-left: 0.5rem;
    background-color: var(--color-primary);
    color: var(--color-light);
}

.items-container {
    margin: 1.5rem 0;
}

.items-list {
    margin-top: 1rem;
    background-color: var(--color-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
}

body.dark-mode .items-list {
    background-color: var(--color-dark);
}

.item-entry {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-gray-dark);
}

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

.item-info {
    flex: 1;
}

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

.item-details {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: #666;
}

body.dark-mode .item-details {
    color: #ccc;
}

.item-actions {
    display: flex;
    gap: 0.5rem;
}

.item-actions button {
    background: none;
    border: none;
    font-size: 1rem;
    color: #666;
    transition: var(--transition);
}

.item-actions button:hover {
    color: var(--color-danger);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
}

/* Suggestions Screen */
.suggestions-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    background-color: var(--color-gray);
    border: 1px solid var(--color-gray-dark);
    transition: var(--transition);
}

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

.suggestions-container {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

body.dark-mode .suggestions-container {
    background-color: var(--color-secondary);
}

.suggestion-item {
    position: relative;
}

.suggestion-tooltip {
    position: absolute;
    bottom: 100%;
    left: 0;
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    width: 200px;
    z-index: 10;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

.suggestion-item:hover .suggestion-tooltip {
    visibility: visible;
    opacity: 1;
}

/* Previous Lists Screen */
.lists-container {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

body.dark-mode .lists-container {
    background-color: var(--color-secondary);
}

.list-card {
    border: 1px solid var(--color-gray-dark);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

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

.list-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.list-card-date {
    font-size: 0.875rem;
    color: #666;
}

body.dark-mode .list-card-date {
    color: #ccc;
}

.list-card-summary {
    margin: 0.5rem 0;
    font-size: 0.875rem;
}

.list-card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.list-card-actions button {
    flex: 1;
}

/* Statistics Screen */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.stats-card {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

body.dark-mode .stats-card {
    background-color: var(--color-secondary);
}

.stats-chart-container {
    height: 250px;
    position: relative;
}

.nutrition-variety {
    margin-top: 1.5rem;
}

.variety-meter {
    height: 20px;
    background-color: var(--color-gray);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.variety-indicator {
    height: 100%;
    background-color: var(--color-primary);
    border-radius: 10px;
    transition: width 0.5s ease;
}

/* Settings Screen */
.settings-container {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

body.dark-mode .settings-container {
    background-color: var(--color-secondary);
}

.settings-group {
    margin-bottom: 2rem;
}

.settings-group:last-child {
    margin-bottom: 0;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-dark);
}

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

.settings-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition);
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
}

input:checked + .slider {
    background-color: var(--color-primary);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--color-primary);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* List Details Screen */
.list-details-container {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

body.dark-mode .list-details-container {
    background-color: var(--color-secondary);
}

.list-info {
    margin-bottom: 1.5rem;
}

.list-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.category-pill {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.detailed-items-list {
    margin-bottom: 1.5rem;
}

.detailed-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-dark);
}

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

.detailed-item-info {
    display: flex;
    flex-direction: column;
}

.detailed-item-category {
    font-size: 0.75rem;
    color: #666;
}

body.dark-mode .detailed-item-category {
    color: #ccc;
}

.list-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Modal */
.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

.modal-container.show {
    visibility: visible;
    opacity: 1;
}

.modal {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--box-shadow);
    transform: translateY(-20px);
    transition: var(--transition);
    display: none;
}

body.dark-mode .modal {
    background-color: var(--color-secondary);
}

.modal.show {
    transform: translateY(0);
    display: block;
}

.modal-content {
    text-align: center;
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.export-options {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.toast {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

.toast.info {
    border-left: 4px solid var(--color-info);
}

.toast.warning {
    border-left: 4px solid var(--color-warning);
}

/* Responsive */
@media screen and (max-width: 768px) {
    .header {
        padding: 1rem;
    }

    .dashboard-content {
        grid-template-columns: 1fr;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .form-actions button {
        width: 100%;
    }

    .list-card-actions {
        flex-direction: column;
    }

    .suggestions-filters {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .filter-btn {
        flex: 0 0 auto;
    }
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.slide-in-right {
    animation: slideInRight 0.3s forwards;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.fade-out {
    animation: fadeOut 0.3s forwards;
}