:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f1c40f;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #ddd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* الترويسة */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo h1 {
    color: var(--primary-color);
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* الأزرار */
button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

button:hover {
    opacity: 0.9;
}

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

/* المحتوى الرئيسي */
main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

/* قسم الطلبات */
.order-section {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.order-type {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.order-type button {
    flex: 1;
    padding: 10px;
    background-color: var(--light-gray);
    color: var(--text-color);
}

.order-type button.active {
    background-color: var(--primary-color);
    color: white;
}

/* بيانات العميل */
.customer-info {
    background-color: var(--light-gray);
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.form-group textarea {
    height: 80px;
    resize: vertical;
}

/* التصنيفات والمنتجات */
.categories,
.products {
    margin-bottom: 20px;
}

.categories-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.category-btn {
    padding: 8px 16px;
    background-color: var(--light-gray);
    border-radius: 4px;
    cursor: pointer;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.product-card {
    background-color: var(--light-gray);
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.product-card img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 10px;
}

/* قسم السلة */
.cart-section {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

#new-order-btn {
    background-color: var(--success-color);
    color: white;
}

.cart-items {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

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

.cart-item-actions {
    display: flex;
    gap: 10px;
}

.cart-item-actions button {
    padding: 4px 8px;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 5px;
}

.quantity-control button {
    width: 24px;
    height: 24px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-summary {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.summary-item.total {
    font-weight: bold;
    font-size: 18px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

#delivery-fee {
    width: 80px;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

#checkout-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    font-size: 16px;
    margin-top: 20px;
}

/* التجاوب */
@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }

    .order-type {
        flex-direction: column;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}