```css
/* Medical Booking Plugin Styles */
@import url('https://cdn.fontcdn.ir/Font/Persian/IRANSans/Medium/IRANSansWeb-Medium.woff2');

.medical-booking-form, .medical-booking-confirmation, .medical-booking-admin {
    direction: rtl;
    font-family: 'IRANSans', sans-serif;
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.medical-booking-form h2, .medical-booking-confirmation h2, .medical-booking-admin h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

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

.form-group label {
    display: block;
    font-size: 16px;
    color: #555;
    margin-bottom: 8px;
}

.form-group select, .form-group input[type="text"] {
    width: 100%;
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    font-family: 'IRANSans', sans-serif;
}

.form-group select:focus, .form-group input[type="text"]:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    font-family: 'IRANSans', sans-serif;
}

.btn-primary {
    background-color: #007bff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
    margin-right: 10px;
}

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

#booking-message {
    margin-top: 20px;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
}

#booking-message.success {
    background-color: #d4edda;
    color: #155724;
}

#booking-message.error {
    background-color: #f8d7da;
    color: #721c24;
}

.confirmation-details p {
    font-size: 16px;
    margin: 10px 0;
    color: #333;
}

.confirmation-details strong {
    color: #007bff;
}

.confirmation-actions {
    margin-top: 20px;
    text-align: center;
}

.error {
    color: #721c24;
    background-color: #f8d7da;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
}

.medical-booking-admin .wp-list-table {
    font-family: 'IRANSans', sans-serif;
    font-size: 14px;
}

.medical-booking-admin .wp-list-table th, .medical-booking-admin .wp-list-table td {
    padding: 12px;
    text-align: right;
}

.medical-booking-admin .form-table {
    margin-top: 20px;
}

.medical-booking-admin .form-table input[type="text"], .medical-booking-admin .form-table select {
    width: 100%;
    max-width: 400px;
    padding: 8px;
    border-radius: 4px;
}

.medical-booking-admin .button {
    font-family: 'IRANSans', sans-serif;
}

.persian-datepicker {
    background: url('calendar-icon.png') no-repeat left 10px center;
    padding-right: 40px;
}

@media (max-width: 768px) {
    .medical-booking-form, .medical-booking-confirmation, .medical-booking-admin {
        padding: 15px;
    }
    .form-group label, .confirmation-details p, .medical-booking-admin .wp-list-table th, .medical-booking-admin .wp-list-table td {
        font-size: 14px;
    }
    .form-group select, .form-group input[type="text"], .btn-primary, .btn-secondary {
        font-size: 13px;
    }
}