:root {
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --text-primary: #1c1e21;
    --text-secondary: #65676b;
    --accent-color: #007bff;
    --accent-hover: #0056b3;
    --accent-light: #e7f3ff;
    --border-color: #f0f2f5;
    --input-border: #ddd;
    --danger-color: #dc3545;
    --danger-hover: #c82333;
    --warning-color: #ffc107;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}


[class^="dark-"] {
    --bg-color: #18191a;
    --card-bg: #242526;
    --text-primary: #e4e6eb;
    --text-secondary: #b0b3b8;
    --border-color: #3e4042;
    --input-border: #3e4042;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}


.light-blue,
.dark-blue {
    --accent-color: #007bff;
    --accent-hover: #0056b3;
    --accent-light: rgba(0, 123, 255, 0.1);
}

.light-green,
.dark-green {
    --accent-color: #28a745;
    --accent-hover: #218838;
    --accent-light: rgba(40, 167, 69, 0.1);
}

.light-purple,
.dark-purple {
    --accent-color: #6f42c1;
    --accent-hover: #59359a;
    --accent-light: rgba(111, 66, 193, 0.1);
}

.light-orange,
.dark-orange {
    --accent-color: #fd7e14;
    --accent-hover: #e36209;
    --accent-light: rgba(253, 126, 20, 0.1);
}

.light-red,
.dark-red {
    --accent-color: #dc3545;
    --accent-hover: #bd2130;
    --accent-light: rgba(220, 53, 69, 0.1);
}

.light-yellow,
.dark-yellow {
    --accent-color: #ffc107;
    --accent-hover: #d39e00;
    --accent-light: rgba(255, 193, 7, 0.1);
}

.light-pink,
.dark-pink {
    --accent-color: #e83e8c;
    --accent-hover: #c2185b;
    --accent-light: rgba(232, 62, 140, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 0.5rem 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1001;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.2rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}


.burger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    background: var(--bg-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    cursor: pointer;
    transition: background 0.2s;
}

.burger-btn:hover {
    background: var(--border-color) !important;
}

.burger-btn span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.burger-btn.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger-btn.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.burger-btn.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


.mobile-menu {
    display: none;
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    background: var(--card-bg);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-10px);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-menu.open {
    display: flex;
    flex-direction: column;
}

.mobile-menu.visible {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.mobile-nav-link svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    flex-shrink: 0;
}

.mobile-nav-link:hover {
    background: var(--bg-color);
    color: var(--accent-color);
}

.mobile-nav-link.active {
    background: var(--accent-light);
    color: var(--accent-color);
    font-weight: 600;
}

.mobile-nav-link.logout {
    color: var(--danger-color);
}

.mobile-nav-link.logout:hover {
    background: rgba(220, 53, 69, 0.08);
}

.mobile-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.4rem 0;
}

@media (max-width: 680px) {
    .nav-links {
        display: none;
    }

    .burger-btn {
        display: flex;
    }
}


.nav-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.8rem 1.2rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    border-radius: 8px;
    margin: 0.2rem;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.nav-tab svg {
    width: 17px;
    height: 17px;
    fill: currentColor;
    flex-shrink: 0;
}

.nav-tab:hover {
    background: var(--bg-color);
    color: var(--accent-color);
}

.nav-tab.active {
    background: var(--accent-light);
    color: var(--accent-color);
}

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

.logout-btn:hover {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}


.theme-switcher {
    position: relative;
    margin: 0 0.5rem;
}

.theme-btn {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    padding: 0 !important;
    background: var(--bg-color) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border-color) !important;
}

.theme-btn:hover {
    background: var(--border-color) !important;
    color: var(--accent-color) !important;
}

.theme-menu {
    display: none;
    position: absolute;
    top: 50px;
    right: 0;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    width: 200px;
    z-index: 1002;
    border: 1px solid var(--border-color);
}

.theme-menu.show {
    display: block;
}

.theme-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    margin-top: 0.8rem;
}

.theme-section-title:first-child {
    margin-top: 0;
}

.theme-option {
    padding: 0.6rem 0.8rem;
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.theme-option:hover {
    background: var(--bg-color);
}

.theme-option.active {
    background: var(--accent-light);
    color: var(--accent-color);
    font-weight: 600;
}

.color-options {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
    flex-shrink: 0;
}

.color-dot:hover {
    transform: scale(1.2);
}

.color-dot.active {
    border-color: var(--text-primary);
    transform: scale(1.1);
}

.color-dot.blue {
    background: #007bff;
}

.color-dot.green {
    background: #28a745;
}

.color-dot.purple {
    background: #6f42c1;
}

.color-dot.orange {
    background: #fd7e14;
}

.color-dot.red {
    background: #dc3545;
}

.color-dot.yellow {
    background: #ffc107;
}

.color-dot.pink {
    background: #e83e8c;
}

.color-dot.teal {
    background: #20c997;
}

.shop-color-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.75rem 0 0.25rem;
}

.shop-color-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.shop-color-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-right: 0.4rem;
    vertical-align: middle;
}

.shop-color-indicator.blue {
    background: #007bff;
}

.shop-color-indicator.green {
    background: #28a745;
}

.shop-color-indicator.purple {
    background: #6f42c1;
}

.shop-color-indicator.orange {
    background: #fd7e14;
}

.shop-color-indicator.red {
    background: #dc3545;
}

.shop-color-indicator.yellow {
    background: #ffc107;
}

.shop-color-indicator.pink {
    background: #e83e8c;
}

.shop-color-indicator.teal {
    background: #20c997;
}

.shop-item-label {
    display: flex;
    align-items: center;
}

main {
    padding: 2rem 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

h2 {
    margin-top: 0;
    color: var(--accent-color);
    font-weight: 600;
}

button {
    background: var(--accent-color);
    color: #fff;
    border: 0;
    padding: 0.7rem 1.2rem;
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.2s ease, transform 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

button svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

button:hover {
    background: var(--accent-hover);
}

button:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: #e4e6eb !important;
    color: #050505 !important;
}

.btn-secondary:hover {
    background: #d8dadf !important;
}

.btn-warning {
    background: var(--warning-color) !important;
    color: #000 !important;
}

.btn-warning:hover {
    background: #e0a800 !important;
}

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

.btn-danger:hover {
    background: var(--danger-hover) !important;
}

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

.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(4px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 8% auto;
    padding: 2rem;
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

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

.modal-actions button {
    flex: 1;
}

input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 0.7rem 1rem;
    margin-bottom: 1.2rem;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 0.95rem;
    outline: none;
    background: var(--card-bg);
    color: var(--text-primary);
}

input:focus,
select:focus {
    border-color: var(--accent-color);
}

.lists-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
}

.sidebar>div,
.product-list-container {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}


.sidebar li {
    border-bottom: none !important;
}

.category-item {
    padding: 0.6rem 0.8rem !important;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    color: var(--text-secondary);
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    position: relative;
}

.category-item:hover {
    background: var(--bg-color);
    color: var(--accent-color);
}

.category-item.active {
    background: var(--accent-light);
    color: var(--accent-color);
    font-weight: 600;
}


.item-menu-container {
    position: relative;
}

.btn-menu {
    background: transparent !important;
    color: var(--text-secondary) !important;
    padding: 0.2rem !important;
    border-radius: 50% !important;
    width: 28px !important;
    height: 28px !important;
}

.btn-menu:hover {
    background: var(--border-color) !important;
    color: var(--accent-color) !important;
}

.btn-menu svg {
    width: 20px;
    height: 20px;
}

.item-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 30px;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 10;
    min-width: 120px;
    border: 1px solid var(--border-color);
}

.item-menu.show {
    display: block;
}

.menu-option {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--text-primary);
    text-align: left;
    font-weight: 400;
}

.menu-option:hover {
    background: var(--bg-color);
}

.menu-option.danger {
    color: var(--danger-color);
}

.menu-option.danger:hover {
    background: rgba(220, 53, 69, 0.1);
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.list-header h3 {
    margin: 0;
    padding: 0;
    border: none;
}

.search-container {
    flex-grow: 1;
    max-width: 300px;
}

.search-container input {
    margin-bottom: 0;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

h3 {
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

li {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li:last-child {
    border-bottom: 0;
}

.product-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    min-width: 0;
    overflow: hidden;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.small-btn {
    padding: 0.4rem !important;
    border-radius: 6px;
    width: auto !important;
}

.small-btn svg {
    width: 16px;
    height: 16px;
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.user-tag {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
    white-space: nowrap;
}

.product-entry {
    display: block;
    padding: 0 !important;
    border-bottom: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--shop-color, transparent) 8%, var(--card-bg));
    border-left: 3px solid var(--shop-color, transparent);
}

.clickable-header {
    padding: 1rem 1.2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s;
    overflow: hidden;
    min-width: 0;
}

.clickable-header:hover {
    background: color-mix(in srgb, var(--shop-color, var(--bg-color)) 15%, var(--card-bg));
}

.dropdown-arrow {
    padding: 0.4rem;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown-arrow:hover {
    background: var(--border-color);
}

.dropdown-arrow svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s;
    fill: var(--text-secondary);
}

.product-entry.expanded .dropdown-arrow svg {
    transform: rotate(180deg);
}

.pin-btn {
    background: transparent !important;
    color: var(--text-secondary) !important;
    padding: 0.4rem !important;
    box-shadow: none !important;
}

.pin-btn:hover {
    background: var(--bg-color) !important;
    color: var(--accent-color) !important;
}

.pin-btn.active {
    color: var(--accent-color) !important;
}

.pin-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.quantity-dropdown {
    width: auto;
    padding: 0.2rem 0.6rem;
    margin-bottom: 0;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    background: var(--bg-color);
    color: var(--accent-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    outline: none;
}

.quantity-dropdown:focus {
    border-color: var(--accent-color);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    background: var(--bg-color);
    padding: 0 1.2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.product-entry.expanded .accordion-content {
    max-height: 500px;
    padding: 1.2rem;
    border-top: 1px solid var(--border-color);
}

.product-name {
    font-weight: 600;
    font-size: 1.05rem;
}

.category-tag {
    background: var(--accent-light);
    color: var(--accent-color);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.shop-tag {
    display: inline-flex;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.note-input-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    font-weight: 600;
    text-transform: uppercase;
}

.note-input-group input {
    width: 100%;
    padding: 0.5rem;
    font-size: 0.85rem;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    margin-bottom: 0;
}


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

.food-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.food-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.2rem;
}

.food-name {
    font-weight: 600;
    font-size: 1.05rem;
}

.food-actions {
    display: flex;
    gap: 0.4rem;
}

.ingredient-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0 1.2rem 1rem;
    min-height: 2rem;
}

.ingredient-chip {
    background: var(--accent-light);
    color: var(--accent-color);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.no-ingredients {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem;
}


.ingredient-modal-content {
    max-width: 480px !important;
}

.ingredient-list {
    max-height: 340px;
    overflow-y: auto;
    margin: 0.75rem 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.ingredient-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid var(--border-color);
}

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

.ingredient-item:hover {
    background: var(--bg-color);
}

.ingredient-item.selected {
    background: var(--accent-light);
}

.ingredient-check {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.15s;
}

.ingredient-check svg {
    width: 18px;
    height: 18px;
    fill: var(--accent-color);
}

.ingredient-item.selected .ingredient-check {
    opacity: 1;
}

.ingredient-name {
    flex: 1;
    font-size: 0.95rem;
}

@media (max-width: 850px) {
    .lists-grid {
        grid-template-columns: 1fr;
    }
}