.serve-form-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #333;
}

.serve-form-title {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 25px;
    font-weight: 600;
}

.serve-form-group {
    margin-bottom: 20px;
}

.serve-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #444;
}

.serve-radio-group {
    display: flex;
    gap: 20px;
    margin-top: 5px;
}

.serve-radio-group label {
    font-weight: normal;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}

.serve-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.serve-col {
    flex: 1;
    min-width: 200px;
    margin-bottom: 15px;
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input:focus, select:focus, textarea:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 2px rgba(52,152,219,0.2);
}

textarea {
    height: 80px;
    resize: vertical;
}

.serve-search-box {
    display: flex;
    gap: 10px;
}

.serve-btn-primary {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.3s;
}

.serve-btn-primary:hover {
    background-color: #2980b9;
}

.serve-btn-secondary {
    background-color: #ecf0f1;
    color: #2c3e50;
    border: 1px solid #bdc3c7;
    padding: 0 15px;
    border-radius: 6px;
    cursor: pointer;
}

.serve-hidden {
    display: none;
}

.serve-wallet-info {
    background: #f8f9fa;
    padding: 10px;
    border-left: 4px solid #2ecc71;
    margin-bottom: 10px;
    font-weight: 500;
}

.serve-payment-summary {
    background: #eef2f7;
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
    text-align: right;
}

.serve-payment-summary p {
    margin: 0;
    font-size: 16px;
}

#serve-final-amount {
    font-size: 20px;
    color: #e74c3c;
}

.serve-alert {
    padding: 15px;
    border-radius: 6px;
    margin-top: 20px;
}

.serve-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.serve-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .serve-form-container {
        padding: 20px;
        margin: 10px;
    }
    .serve-radio-group {
        flex-direction: column;
        gap: 10px;
    }
    .serve-col {
        min-width: 100%;
    }
}