* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #8B4513 0%, #654321 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1em;
    opacity: 0.9;
}

main {
    padding: 40px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

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

h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.8em;
}

/* Menu Section */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.menu-item {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.menu-item:hover {
    transform: translateY(-5px);
    border-color: #667eea;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.menu-item h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.menu-item .price {
    color: #667eea;
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 15px;
}

.menu-item button {
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.95em;
    transition: background 0.3s ease;
    width: 100%;
}

.menu-item button:hover {
    background: #764ba2;
}

/* Order Section */
.order-section {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    height: fit-content;
}

.order-items {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.empty-message {
    color: #999;
    text-align: center;
    padding: 20px;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    border-radius: 5px;
    margin-bottom: 8px;
}

.order-item:last-child {
    margin-bottom: 0;
}

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

.order-item-name {
    font-weight: 600;
    color: #333;
}

.order-item-price {
    color: #667eea;
    font-weight: bold;
}

.order-item-remove {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
    margin-left: 10px;
    transition: background 0.3s ease;
}

.order-item-remove:hover {
    background: #ff5252;
}

.order-summary {
    background: white;
    border-radius: 8px;
    padding: 20px;
}

.total {
    display: flex;
    justify-content: space-between;
    font-size: 1.3em;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.total span:last-child {
    color: #667eea;
}

.checkout-btn {
    width: 100%;
    padding: 15px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.05em;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

.checkout-btn:hover:not(:disabled) {
    background: #218838;
}

.checkout-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    max-width: 400px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    margin-bottom: 15px;
}

.modal-content p {
    color: #666;
    margin-bottom: 20px;
    font-size: 1.05em;
}

.modal-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.modal-buttons button {
    padding: 10px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    transition: all 0.3s ease;
}

.confirm-btn {
    background: #28a745;
    color: white;
}

.confirm-btn:hover {
    background: #218838;
}

.cancel-btn {
    background: #6c757d;
    color: white;
}

.cancel-btn:hover {
    background: #5a6268;
}