/* CSS Variables - Light Theme */
:root {
    --primary: #4a7c59;
    --primary-dark: #3d6a4a;
    --primary-light: #6b9b7a;
    --secondary: #8b7355;
    --accent: #d4a574;
    --danger: #c0392b;
    --warning: #f39c12;
    --success: #27ae60;
    --bg-primary: #F0F8F0;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8f4e8;
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --text-muted: #8a9bab;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-sm: 4px;
    --transition: 0.2s ease;
    --nav-width: 240px;
    --header-height: 60px;
}

/* Dark Theme */
[data-theme="dark"] {
    --primary: #6b9b7a;
    --primary-dark: #5a8a69;
    --primary-light: #7cac8b;
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --text-primary: #eaeaea;
    --text-secondary: #b8c5d6;
    --text-muted: #7a8a9a;
    --border-color: #2a3a5a;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

h3 { font-size: 1.25rem; }

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

a:hover, a:focus {
    color: var(--primary-dark);
}

/* App Container */
.app-container {
    display: grid;
    grid-template-columns: var(--nav-width) 1fr;
    grid-template-rows: var(--header-height) 1fr;
    grid-template-areas:
        "header header"
        "nav main";
    min-height: 100vh;
}

/* Offline Banner */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--warning);
    color: #333;
    text-align: center;
    padding: 0.5rem;
    z-index: 1000;
    font-weight: 500;
}

.offline-banner.hidden {
    display: none;
}

/* Header */
.header {
    grid-area: header;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    z-index: 100;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    margin-right: 1rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    flex: 1;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: background var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
}

/* Navigation */
.main-nav {
    grid-area: nav;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-list {
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Main Content */
.main-content {
    grid-area: main;
    padding: 2rem;
    overflow-y: auto;
    background: var(--bg-primary);
}

/* Views */
.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

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

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

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

.btn-danger:hover:not(:disabled) {
    background: #a93226;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-icon {
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

/* SVG Icons */
svg.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

svg.btn-icon-sm {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

svg.btn-icon-only {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.title-icon {
    width: 28px;
    height: 28px;
    vertical-align: middle;
    margin-right: 0.5rem;
    color: var(--primary);
}

.card-icon {
    width: 22px;
    height: 22px;
    color: var(--primary);
    flex-shrink: 0;
}

.card-icon.warning-icon {
    color: var(--warning);
}

.section-icon {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.card-title,
.section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Search with icon */
.search-wrapper {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-wrapper .search-input {
    padding-left: 2.5rem;
    max-width: none;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

input[type="text"],
input[type="search"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.2);
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

/* Search Input */
.search-input {
    max-width: 300px;
}

/* Tags */
.tags-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--transition);
}

.tag.selected,
.tag.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.tag:hover:not(.selected):not(.active) {
    background: var(--border-color);
}

.tag-removable .tag-remove {
    margin-left: 0.25rem;
    font-size: 1rem;
    line-height: 1;
}

.btn-clear-filters {
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 1rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-clear-filters:hover {
    background: #c0392b;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    padding: 1rem;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-large {
    max-width: 800px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.25rem;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-content form,
.modal-content .recipe-detail {
    padding: 1.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Online Recipe Search */
.online-search-container {
    padding: 1.5rem;
}

.online-search-form {
    margin-bottom: 1.5rem;
}

.online-search-inputs {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.online-search-wrapper {
    flex: 1;
    min-width: 200px;
}

.online-search-inputs .form-select {
    min-width: 150px;
    padding: 0.625rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.online-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    max-height: 60vh;
    overflow-y: auto;
    padding: 0.25rem;
}

.online-search-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 3rem 1rem;
}

.online-result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.online-result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.online-result-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.online-result-content {
    padding: 1rem;
}

.online-result-content h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.online-result-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.online-result-meta .tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
}

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

.online-result-actions .btn {
    flex: 1;
    font-size: 0.8rem;
    padding: 0.375rem 0.5rem;
}

.online-search-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.online-search-footer .attribution {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

.online-search-footer a {
    color: var(--primary);
    text-decoration: none;
}

.online-search-footer a:hover {
    text-decoration: underline;
}

.online-search-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.online-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* Dashboard */
/* Dashboard Header */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.dashboard-header h2 {
    margin: 0;
}

.dashboard-header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.share-btn,
.install-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1rem;
}

.other-apps-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.streak-card {
    text-align: center;
}

.streak-count {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0.5rem 0;
}

.streak-message {
    color: var(--text-secondary);
}

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

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

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

.alerts-list {
    list-style: none;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: var(--warning);
}

.alert-item.expired {
    color: var(--danger);
}

/* Recipes */
.recipes-header {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.search-filter {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.search-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.search-row .search-wrapper {
    flex: 1;
    min-width: 200px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.recipe-card {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
}

.recipe-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.recipe-card-content {
    padding: 1.25rem;
}

.recipe-card h4,
.recipe-card-title {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.recipe-card-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.recipe-card-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-tertiary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
}

.recipe-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.recipe-card-tags .tag {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
}

.recipe-card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.recipe-card-actions .btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    padding: 0.4rem 0.5rem;
    padding: 0.375rem 0.5rem;
    font-size: 0.8125rem;
}

/* Recipe Detail */
.recipe-detail h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.recipe-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.recipe-detail-meta span {
    color: var(--text-secondary);
}

.recipe-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

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

.recipe-section h4 {
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.ingredients-display {
    list-style: none;
}

.ingredients-display li {
    padding: 0.375rem 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

.instructions-display {
    list-style: none;
    counter-reset: step;
}

.instructions-display li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    border-bottom: 1px solid var(--bg-tertiary);
}

.instructions-display li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.recipe-detail-nutrition {
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    padding: 1rem;
}

.nutrition-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    text-align: center;
}

.nutrition-item {
    padding: 0.5rem;
}

.nutrition-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.nutrition-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.recipe-detail-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Ingredients List (Form) */
.ingredients-list,
.instructions-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.ingredient-row,
.instruction-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.ingredient-row input:first-child {
    flex: 2;
}

.ingredient-row input:nth-child(2) {
    flex: 1;
    max-width: 80px;
}

.ingredient-row select {
    flex: 1;
    max-width: 100px;
}

.instruction-row {
    align-items: flex-start;
}

.instruction-row span {
    min-width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.instruction-row textarea {
    flex: 1;
    min-height: 60px;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.25rem;
    line-height: 1;
}

/* Meal Calendar */
.meal-plan-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.week-display {
    font-size: 1.125rem;
    font-weight: 500;
    flex: 1;
    text-align: center;
}

.meal-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.75rem;
    overflow-x: auto;
}

.day-column {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    min-width: 140px;
}

.day-header {
    padding: 0.75rem;
    text-align: center;
    font-weight: 600;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius) var(--radius) 0 0;
}

.day-header.today {
    background: var(--primary);
    color: white;
}

.day-header .day-name {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
}

.day-header.today .day-name {
    color: rgba(255,255,255,0.8);
}

.day-header .day-date {
    font-size: 1.125rem;
}

.meal-slots {
    padding: 0.5rem;
}

.meal-slot {
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    min-height: 60px;
}

.meal-slot-header {
    font-size: 0.6875rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.375rem;
    font-weight: 600;
}

.meal-slot-content {
    font-size: 0.8125rem;
}

.meal-slot-empty {
    color: var(--text-muted);
    font-style: italic;
}

.meal-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.25rem;
    border: 1px solid var(--border-color);
}

.meal-item-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.meal-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.125rem;
    font-size: 1rem;
    line-height: 1;
}

.meal-item-remove:hover {
    color: var(--danger);
}

.add-meal-btn {
    width: 100%;
    padding: 0.375rem;
    font-size: 0.75rem;
    background: transparent;
    border: 1px dashed var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.add-meal-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Recipe Selector */
.recipe-selector-list {
    max-height: 400px;
    overflow-y: auto;
    margin-top: 1rem;
}

.recipe-selector-item {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition);
}

.recipe-selector-item:hover {
    background: var(--bg-tertiary);
}

.recipe-selector-item h4 {
    margin-bottom: 0.25rem;
}

.recipe-selector-item .tags {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Shopping List */
.shopping-header {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.shopping-options {
    margin-bottom: 1.5rem;
}

.shopping-list {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.shopping-category {
    border-bottom: 1px solid var(--border-color);
}

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

.shopping-category-header {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    font-weight: 600;
    text-transform: capitalize;
}

.shopping-category-items {
    padding: 0.5rem 1rem;
}

.shopping-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

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

.shopping-item.checked {
    text-decoration: line-through;
    color: var(--text-muted);
}

.shopping-item input[type="checkbox"] {
    width: auto;
    flex-shrink: 0;
}

.shopping-item-text {
    flex: 1;
}

.shopping-item-pantry {
    font-size: 0.75rem;
    color: var(--success);
}

/* Pantry */
.pantry-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.pantry-category {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.pantry-category-header {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    font-weight: 600;
    text-transform: capitalize;
}

.pantry-category-items {
    padding: 0.5rem;
}

.pantry-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.pantry-item:hover {
    background: var(--bg-tertiary);
}

.pantry-item-info {
    flex: 1;
}

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

.pantry-item-quantity {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.pantry-item-expiry {
    font-size: 0.75rem;
}

.pantry-item-expiry.expiring-soon {
    color: var(--warning);
}

.pantry-item-expiry.expired {
    color: var(--danger);
}

.pantry-item-actions {
    display: flex;
    gap: 0.25rem;
}

.pantry-item-actions .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Nutrition Charts */
.nutrition-goals {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

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

.goal-item {
    text-align: center;
}

.goal-progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.goal-progress-bar {
    height: 100%;
    background: var(--primary);
    transition: width var(--transition);
}

.goal-progress-bar.over {
    background: var(--danger);
}

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

.chart-container {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.chart-container canvas {
    max-width: 100%;
}

.nutrition-summary {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

/* Cooking Mode */
.cooking-content {
    max-width: 800px;
    margin: 0 auto;
}

.cooking-placeholder {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
}

.cooking-header {
    text-align: center;
    margin-bottom: 2rem;
}

.cooking-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.cooking-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.cooking-progress {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.progress-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    transition: all var(--transition);
}

.progress-dot.completed {
    background: var(--success);
    border-color: var(--success);
}

.progress-dot.current {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.2);
}

.cooking-step {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
}

.cooking-step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    line-height: 40px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.cooking-step-text {
    font-size: 1.25rem;
    line-height: 1.6;
}

.cooking-timer {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
}

.timer-display {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: monospace;
    color: var(--primary);
}

.timer-controls {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.cooking-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cooking-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

/* Settings */
.settings-sections {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.settings-section {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.settings-section h3 {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.aisle-settings {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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

.aisle-item input {
    flex: 1;
}

.custom-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.data-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

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

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

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 900px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-areas:
            "header"
            "main";
    }

    .main-nav {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        bottom: 0;
        width: var(--nav-width);
        z-index: 150;
        transition: left var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .main-nav.open {
        left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .meal-calendar {
        grid-template-columns: 1fr;
    }

    .day-column {
        min-width: auto;
    }

    .nutrition-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .main-content {
        padding: 1rem;
    }

    .recipes-header {
        flex-direction: column;
        align-items: stretch;
    }

    .search-filter {
        flex-direction: column;
    }

    .search-row {
        flex-direction: column;
        width: 100%;
    }

    .search-row .search-wrapper {
        width: 100%;
    }

    .search-row .btn {
        width: 100%;
        justify-content: center;
    }

    .search-input {
        max-width: none;
    }

    .form-row {
        flex-direction: column;
    }

    .recipe-detail-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .cooking-step {
        padding: 1.5rem 1rem;
    }

    .cooking-step-text {
        font-size: 1.125rem;
    }

    .timer-display {
        font-size: 2rem;
    }

    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .toast {
        max-width: none;
    }
}

/* Print Styles */
@media print {
    .header,
    .main-nav,
    .btn,
    .toast-container {
        display: none !important;
    }

    .app-container {
        display: block;
    }

    .main-content {
        padding: 0;
    }

    .shopping-list {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .shopping-item input[type="checkbox"] {
        appearance: none;
        width: 16px;
        height: 16px;
        border: 1px solid #333;
    }
}

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

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==================== USER GUIDE ==================== */

.guide-container {
    max-width: 900px;
    margin: 0 auto;
}

.guide-section {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.guide-section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    margin: 0;
    cursor: pointer;
    user-select: none;
    transition: background var(--transition);
    font-size: 1.1rem;
}

.guide-section-title:hover {
    background: var(--bg-tertiary);
}

.guide-icon {
    font-size: 1.25rem;
    width: 1.5rem;
    text-align: center;
}

.guide-toggle {
    margin-left: auto;
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.guide-section.open .guide-toggle {
    transform: rotate(45deg);
}

.guide-content {
    display: none;
    padding: 0 1.25rem 1.25rem;
    border-top: 1px solid var(--border-color);
    animation: slideDown 0.3s ease;
}

.guide-section.open .guide-content {
    display: block;
}

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

.guide-content h4 {
    color: var(--primary);
    margin: 1.25rem 0 0.75rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.375rem;
}

.guide-content h4:first-child {
    margin-top: 1rem;
}

.guide-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.guide-list li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.5rem;
    line-height: 1.5;
}

.guide-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.guide-list li strong {
    color: var(--primary);
}

/* Quick Start Steps */
.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 1rem;
}

.guide-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    margin: 0 0 0.375rem;
    border: none;
    padding: 0;
    color: var(--text-primary);
}

.step-content p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Tips */
.guide-tip {
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary);
}

.guide-tip:last-child {
    margin-bottom: 0;
}

.guide-tip h4 {
    margin: 0 0 0.5rem;
    border: none;
    padding: 0;
    color: var(--text-primary);
}

.guide-tip p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Keyboard Shortcuts Table */
.shortcuts-table {
    width: 100%;
    margin-top: 1rem;
    border-collapse: collapse;
}

.shortcuts-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.shortcuts-table tr:last-child td {
    border-bottom: none;
}

.shortcuts-table td:first-child {
    width: 100px;
}

kbd {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.875rem;
    box-shadow: 0 2px 0 var(--border-color);
}

/* Mobile Responsive for Guide */
@media (max-width: 600px) {
    .guide-section-title {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }

    .guide-icon {
        font-size: 1.1rem;
    }

    .guide-content {
        padding: 0 1rem 1rem;
    }

    .guide-step {
        flex-direction: column;
        gap: 0.5rem;
    }

    .step-number {
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
    }

    .shortcuts-table td:first-child {
        width: auto;
    }
}