:root {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --primary: #e63946;
    --primary-hover: #d62839;
    --accent: #f4a261;
    --border-color: #e5e7eb;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --radius: 12px;
}

[data-theme="dark"] {
    --bg-color: #111827;
    --card-bg: #1f2937;
    --text-color: #f9fafb;
    --text-muted: #9ca3af;
    --border-color: #374151;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.logo {
    font-size: 1.4rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo strong {
    color: var(--text-color);
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    width: 300px;
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    margin-left: 0.5rem;
    color: var(--text-color);
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.6rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
}

.cart-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge {
    background-color: white;
    color: var(--primary);
    border-radius: 50%;
    padding: 2px 7px;
    font-size: 0.8rem;
}

/* Layout */
.main-layout {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    gap: 2rem;
}

.menu-section {
    flex: 1;
}

.hero-banner {
    background: linear-gradient(135deg, #e63946, #f4a261);
    color: white;
    padding: 2rem;
    border-radius: var(--radius);
    margin-bottom: 2rem;
}

/* Category Bar */
.category-bar {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.cat-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    white-space: nowrap;
}

.cat-btn.active, .cat-btn:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Food Grid */
.food-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.food-card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.food-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.food-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.food-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.food-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.food-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

.add-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
}

/* Cart Sidebar */
.cart-sidebar {
    width: 380px;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    height: fit-content;
    box-shadow: var(--shadow);
}

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

.cart-items {
    max-height: 280px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.empty-cart {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 0;
}

.empty-cart i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border-color);
}

.cart-item-details h5 {
    font-size: 0.95rem;
}

.cart-item-details small {
    color: var(--text-muted);
    font-size: 0.75rem;
    display: block;
}

.qty-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.3rem;
}

.qty-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
}

/* Drive-thru Form Inputs */
.drive-thru-details {
    background-color: var(--bg-color);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.drive-thru-details h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 0.6rem;
}

.form-group label {
    font-size: 0.75rem;
    display: block;
    color: var(--text-muted);
}

.form-group select, .form-group input {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 0.85rem;
}

.price-summary {
    margin-bottom: 1rem;
}

.price-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.total-row {
    font-weight: 700;
    font-size: 1.1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 0.5rem;
    color: var(--primary);
}

.checkout-btn {
    width: 100%;
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

.checkout-btn:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.open {
    display: flex;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 1.8rem;
    border-radius: var(--radius);
    width: 90%;
    max-width: 480px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
}

.option-group {
    margin: 1rem 0;
}

.option-group h5 {
    margin-bottom: 0.5rem;
}

.option-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

/* Order Stepper Animation */
.tracker-info {
    background: var(--bg-color);
    padding: 0.8rem;
    border-radius: 8px;
    margin: 1rem 0;
    font-size: 0.85rem;
}

.progress-stepper {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    position: relative;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    z-index: 1;
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.4rem;
    font-size: 1rem;
}

.step.active .step-icon {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.step.active span {
    color: var(--text-color);
    font-weight: 600;
}

@media (max-width: 900px) {
    .main-layout {
        flex-direction: column;
    }
    .cart-sidebar {
        width: 100%;
    }
    .search-box {
        width: 180px;
    }
}