:root {
    --primary-color: #6f42c1;
    --secondary-color: #6610f2;
    --accent-color: #e83e8c;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --surface-color: #ffffff;
    --border-color: #dee2e6;
}

/* General Styles */
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
}

/* Navbar Styles */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand img {
    max-height: 40px;
}

/* Hero Slider */
.carousel-item {
    height: 80vh;
    min-height: 400px;
    background: no-repeat center center scroll;
    background-size: cover;
}

.carousel-item img {
    object-fit: cover;
    height: 100%;
}

.carousel-caption {
    background: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    border-radius: 10px;
}

/* Cart styles */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: #fff;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1050;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.cart-item {
    padding: 0.5rem;
    border-bottom: 1px solid #dee2e6;
    position: relative;
}

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

.cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}

.cart-item-details {
    flex: 1;
}

.cart-item-total {
    font-weight: bold;
    white-space: nowrap;
    align-self: flex-start;
}

.cart-footer {
    padding: 1rem;
    border-top: 1px solid #dee2e6;
    background: #f8f9fa;
}

/* Feature Cards */
.feature-card {
    padding: 2rem;
    border-radius: 10px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    color: var(--primary-color);
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.menu-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.menu-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.menu-item-content {
    padding: 1rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* Quantity Input Styles */
.input-group-sm input[type="number"] {
    text-align: center;
    appearance: textfield;
    -moz-appearance: textfield;
    -webkit-appearance: textfield;
}

.input-group-sm input[type="number"]::-webkit-outer-spin-button,
.input-group-sm input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quantity-input-group .form-control {
    text-align: center;
    padding: 0.25rem;
}

.quantity-input-group .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1060;
    min-width: 250px;
    padding: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    animation: slideIn 0.3s ease;
}

.notification.error {
    background: var(--bs-danger);
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    .carousel-item {
        height: 60vh;
    }

    .menu-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

/* Adjust main content padding for mobile */
@media (max-width: 991.98px) {
    body {
        padding-bottom: 70px; /* Height of bottom nav */
    }

    .cart-sidebar {
        bottom: 70px; /* Height of bottom nav */
    }
}

/* Desktop navigation adjustments */
@media (min-width: 992px) {
    .mobile-bottom-nav {
        display: none;
    }
}

/* Cart sidebar adjustments for mobile */
@media (max-width: 991.98px) {
    .cart-sidebar {
        width: 100%;
        max-width: none;
        right: -100%;
        bottom: 60px; /* Height of bottom nav */
        transition: right 0.3s ease;
    }

    .cart-sidebar.open {
        right: 0;
    }

    .cart-sidebar .cart-items {
        max-height: calc(100vh - 200px); /* Adjust for bottom nav */
    }
}

/* Ensure bottom nav stays on top */
.mobile-bottom-nav {
    z-index: 1030;
}

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

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

/* Dark Mode */
[data-theme="dark"] {
    background-color: var(--dark-color);
    color: var(--light-color);
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .menu-item {
    background-color: #2d3238;
    color: var(--light-color);
}

[data-theme="dark"] .cart-sidebar {
    background-color: #2d3238;
    color: var(--light-color);
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }

    .print-only {
        display: block !important;
    }
    
    /* Thermal printer style */
    .thermal-receipt {
        width: 80mm;
        margin: 0 auto;
        font-family: 'Courier New', Courier, monospace;
        font-size: 12px;
        line-height: 1.2;
    }
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0.5rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.mobile-nav-item {
    color: #fff;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem;
    font-size: 0.8rem;
    position: relative;
    min-width: 60px;
}

.mobile-nav-item i {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.mobile-nav-item.active {
    color: var(--primary-color);
}

.mobile-nav-item .cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
    font-size: 11px;
    padding: 0 5px;
    background-color: #dc3545;
    color: white;
    display: none;
}

/* PDF Export Styles */
.pdf-export-wrapper {
    font-family: Arial, sans-serif;
}

.pdf-export-wrapper table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.pdf-export-wrapper th,
.pdf-export-wrapper td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.pdf-export-wrapper th {
    background-color: #f5f5f5;
    font-weight: bold;
}

.pdf-export-wrapper h2 {
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.pdf-export-wrapper .badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: normal;
}

@media print {
    .pdf-export-wrapper {
        padding: 0;
    }
}

/* Updated Category Menu Styles */
.parent-category {
    position: relative;
    margin: 0 0.25rem;
}

.parent-category-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    color: var(--bs-primary);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.parent-category-btn i {
    transition: transform 0.3s ease;
}

.parent-category-btn.active i {
    transform: rotate(180deg);
}

.subcategory-list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 200px;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    display: none;
}

.subcategory-list li {
    padding: 0;
}

.subcategory-list .nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    width: 100%;
    text-align: left;
    background: none;
}

.subcategory-list .nav-link:hover {
    background-color: #f8f9fa;
    color: var(--bs-primary);
}

.subcategory-list .nav-link.active {
    background-color: var(--bs-primary);
    color: white;
}