/* assets/css/frontend.css */
.mbt-balance-form {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.form-section h3 {
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #0073aa;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 2px solid #e1e1e1;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #0073aa;
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.mbt-submit-btn {
    background: #0073aa;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.mbt-submit-btn:hover {
    background: #005a87;
}

.mbt-submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

#mbt-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .mbt-balance-form {
        padding: 20px;
        margin: 10px;
    }
}